Modern Physics/Table of nuclides

{split} __TOC__ A table with the basic properties of all nuclides. Legend α Alpha decay β- Beta decay β+ Positron emissionK+ Electron captureIT Internal conversionSF Spontaneous fissionp Proton emissionn Neutron emission Neutron Isotope Half-life Spin Parity Mode(s) or Abundance0n 614.6s1/2+ %β-=100 Hydrogen Isotope Half-life Spin Parity Mode(s) or Abundance1Hstable1/2+ %Abundance=99.985 2Hstable1+ %Abundance=0.015 3H12.33 a 1/2+ %β-=100 4H2- Helium Isotope Half-life Spin Parity Mode(s) or Abundance3Hestable1/2+ %Abundance=0.000137 4Hestable0+ %Abundance=99.999863 5He0.60 MeV3/2- %n=100 6He806.7 ms 0+ %β-=1007He160 keV(3/2)- %n=100 8He119.0 ms 0+%β-=100, %β-n=16 9He0.30 MeV (1/2-) %n=100 10He0.3 MeV 0+ %n=100 Lithium Isotope Half-life Spin Parity Mode(s) or Abundance4Li2- 5Li1.5 MeV3/2-%p=100 6Listable 1+1+ %Abundance=7.5 7Listable3/2- %Abundance=92.5 8Li838 ms2+ %β-=100, %β-2α=100 9Li178.3 ms3/2-%β-=100, %β-n2α=49.510Li1.2 MeV %n=100 11Li8.5 ms3/2- %β-=100, %β-n=85 , %β-2n=4.1 , %β-2α3n=1.9 Beryllium Isotope Half-life Spin Parity Mode(s) or Abundance6Be92 keV0+ %2pα=100 7Be53.12 d3/2-%K=100 8Be6.8 eV0+ %2α=100 9Bestable 3/2-3/2- %Abundance=100 10Be1510000 a0+ %β-=100 11Be13.81 s 1/2+%β-=100, %β-α=3.1 12Be23.6 ms0+%β-=100 13Be0.9 MeV(1/2,5/2)+ %n=100 14 Be4.35 ms0+ %β-=100, %β-n=81 , %β-2n=5 Boron Isotope Half-life Spin Parity Mode(s) or Abundance7B 1.4 MeV (3/2-) %XP=100 8B 770 ms 2+ %K+%β+=100, %K2α=100 9B 0.54 keV 3/2- %2αP=100 10B stable 3+ %Abundance=19.9 11B stable 3/2- %Abundance=80.1 12B 20.20 ms 1+ %β-=100, %β-3α=1.58 13B 17.36 ms 3/2- %β-=100, %β-n=0.28 14B 13.8 ms 2- %β-=100 15B 10.5 ms %β-=100 16B 200 ps (0-) %n=100 17B 5.08 ms (3/2-) %β-=100, %β-n=? Carbon Isotope Half-life Spin Parity Mode(s) or Abundance8C230 keV0+%Xp=100 9C126,5 ms(3/2-) %K+%β+=100, %Kp2α=? 10C19.255 s 0+ %K+%β+=100 11C20.39 m 3/2- %K+%β+=100 12Cstable 0+%Abundance=98.90 13Cstable 1/2- %Abundance=1.10 14C5730 a 0+ %β-=100 15C2.449 s 1/2+ %β-=100 16C0.747 s 0+ %β-=100, %β-n > 98.8 17C0.193 s %β-=100, %β-n=32 18C0.095 s 0+%β-=100, %β-n ~ 25 19C0.046 s %β-=100, %β-n=47 20C0.014 s 0+%β-=100, %β-n=72 Nitrogen Isotope Half-life Spin Parity Mode(s) or Abundance11N 740 keV 1/2+ %p=? 12N 11.000 ms 1+ %K+%β+=100, %K3α=3.513N 9.965 m 1/2- %K+%β+=100 14N stable 1+ %Abundance=99.634 15N stable 1/2- %Abundance=0.366 16N 7.13 s 2- %β-=100, %β-α=0.0012017N 4.173 s 1/2- %β-=100, %β-n=95.1 18N 624 ms 1- %β-=100, %β-α=12.2 , %β-n=14.3 19N 0.304 s (1/2-) %β-=100, %β-n=62.420N 100 ms %β-=100, %β-n ~ 61 21N 85 ms %β-=100, %β-n=84 22N 24 ms %β-=100, %β-n=35 Oxygen Isotope Half-life Spin Parity Mode(s) or Abundance12O 0.40 MeV 0+ %2p=60 13O 8.58 ms (3/2-) %K+%β+=100, %Kp=12 14O 70.606 s 0+ %K+%β+=100 15O 122.24 s 1/2- %K+%β+=100 16O stable 0+ %Abundance=99.762 17O stable 5/2+ %Abundance=0.038 18O stable 0+ %Abundance=0.200 19O 26.91 s 5/2+ %β-=100 20O 13.51 s 0+ %β-=100 21O 3.42 s (1/2,3/2,5/2)+ %β-=100 22O 2.25 s 0+ %β-=100 23O 82 ms %β-=100, %β-n=31 24O 61 ms 0+ %β-=100, %β-n=58 Fluorine Isotope Half-life Spin Parity Mode(s) or AbundanceF (2-) %p=100 F 1.0 MeV (1/2+) %p=100 F 40 keV 0- %p=100 F 64.49 s 5/2+ %K+%β+=100 F 109.77 m 1+ %K+%β+=100 F stable 1/2+ %Abundance=100 F 11.00 s 2+ %β-=100 F 4.158 s 5/2+ %β-=100 F 4.23 s 4+,(3+) %β-=100 F 2.23 s (3/2,5/2)+ %β-=100 F 0.34 s (1,2,3)+ %β-=100 F 59 ms uo Neon Isotope Half-life Spin Parity Mode(s) or Abundance16Ne 122 keV 0+ %2p=100 17Ne 109.2 ms 1/2- %K+%β+=100, %Kp=95.8 , %Kα=2.7 18Ne 1672 ms 0+ %K+%β+=100 19Ne 17.22 s 1/2+ %K+%β+=100 20Ne stable 0+ %Abundance=90.48 21Ne stable 3/2+ %Abundance=0.27 22Ne stable 0+ %Abundance=9.25 23Ne 37.24 s 5/2+ %β-=100 24Ne 3.38 m 0+ %β-=100 25Ne 602 ms (1/2,3/2)+ %β-=100 26Ne 197 ms 0+ %β-=100, %β-n=0.13 27Ne 32 ms %β-=100, %β-n=2.0 28Ne 17 ms 0+ %β-=100, %β-n=22 29Ne 0.2 s %β-=100 Sodium Isotope Half-life Spin Parity Mode(s) or Abundance19Na %p=? 20Na 447.9 ms 2+ %K+%β+=100, %Kα=20.5 21Na 22.49 s 3/2+ %K+%β+=100 22Na 2.6019 a 3+ %K+%β+=100 23Na stable 3/2+ %Abundance=10024Na 14.9590 s 4+ %β-=100 24m1Na 20.20 ms 1+ %IT=99.95, %β-=0.0525Na 59.1 s 5/2+ %β-=100 26Na 1.072 s 3+ %β-=10027Na 301 ms 5/2+ %β-=100 , %β-n=0.13 28Na 30.5 ms 1+ %β-=100 , %β-n=0.5829Na 44.9 ms 3/2 %β-=100 , %β-n=21.530Na 48 ms 2+ %β-=100 , %β-n=30 , %β-2n=1.17 , %β-α=5.5E-5 31Na 17.0 ms 3/2+ %β-=100, %β-n=37 , %β-2n=0.9 32Na 13.2 ms (3-,4-) %β-=100 , %β-n=24 , %β-2n=8.3 33Na 8.2 ms %β-=100, %β-n=52 , %β-2n=12 34Na 5.5 ms %β-=100, %β-n=?, %β-2n=? 35Na 1.5 ms %β-=100, %β-n=? Magnesium Isotope Half-life Spin Parity Mode(s) or Abundance20Mg 95 ms 0+ %K+%β+=100, %Kp ~ 3 21Mg 122 ms (3/2,5/2)+ %K+%β+=100 , %Kp=29.3 22Mg 3.857 s 0+ %K+%β+=100 23Mg 11.317 s 3/2+ %K+%β+=100 24Mg stable 0+ %Abundance=78.99 25Mg stable 5/2+ %Abundance=10.00 26Mg stable 0+ %Abundance=11.01 27Mg 9.458 m 1/2+ %β-=100 28Mg 20.91 h 0+ %β-=100 29Mg 1.30 s 3/2+ %β-=100 30Mg 335 ms 0+ %β-=100 31Mg 230 ms %β-=100 , %β-n=1.7 32Mg 120 ms 0+ %β-=100 , %β-n=2.4 33Mg 90 ms %β-=100, %β-n=17 34Mg 20 ms 0+ %β-=100, %β-n=? Aluminium Isotope Half-life Spin Parity Mode(s) or Abundance22Al 70 ms %K+%β+=100 , %Kp+%K2p ~ 2.9 23Al 0.47 s %K+%β+=100, %Kp=? 24Al 2.053 s 4+ %K+%β+=100, %Kα=0.035 24m1Al 131.3 ms 1+ %IT=82 , %K+%β+=18 , %Kα=0.028 25Al 7.183 s 5/2+ %K+%β+=100 26Al 7.17e+5 a 5+ %K+%β+=100 26m1Al 6.3452 s 0+ %K+%β+=100 27Al stable 5/2+ %Abundance=100 28Al 2.2414 m 3+ %β-=100 29Al 6.56 m 5/2+ %β-=100 30Al 3.60 s 3+ %β-=100 31Al 644 ms (3/2,5/2)+ %β-=100 32Al 33 ms 1+ %β-=100 Silicon Isotope Half-life Spin Parity Mode(s) or Abundance22Si 6 ms 0+ %K+%β+=100, %Kp=? 23Si 24Si 102 ms 0+ %K+%β+=100, %Kp ~ 7 25Si 220 ms 5/2+ %K+%β+=100, %Kp=? 26Si 2.234 s 0+ %K+%β+=100 27Si 4.16 s 5/2+ %K+%β+=100 28Si stable 0+ %Abundance=92.23 29Si stable 1/2+ %Abundance=4.67 30Si stable 0+ %Abundance=3.10 31Si 157.3 m 3/2+ %β-=100 32Si 150 a 0+ %β-=100 33Si 6.18 s %β-=100 34Si 2.77 s 0+ %β-=10035Si 0.78 s %β-=100 36Si 0.45 s 0+ %β-=100, %β-n < 10 Phosphorus Isotope Half-life Spin Parity Mode(s) or Abundance26P 20 ms (3+) %K+%β+=100, %Kp+%K2p ~ 1.9 27P 260 ms 1/2+ %K+%β+=100, %Kp ~ 0.05 28P 270.3 ms 3+ %K+%β+=100, %Kp=0.0013 , %Kα=0.00086 29P 4.140 s 1/2+ %K+%β+=100 30P 2.498 m 1+ %K+%β+=100 31P stable 1/2+ %Abundance=100 32P 14.262 d 1+ %β-=100 33P 25.34 d 1/2+ %β-=10034P 12.43 s 1+ %β-=100 35P 47.3 s 1/2+ %β-=100 36P 5.6 s %β-=100 37P 2.31 s %β-=100 38P 0.64 s %β-=100, %β-n < 10 39P 0.16 s %β-=100, %β-n=41 40P 260 ms %β-=100, %β-n=30 41P 120 ms %β-=100, %β-n=30 42P 110 ms %β-=100, %β-n=50 43P 33 ms %β-=100, %β-n=100 Sulphur Isotope Half-life Spin Parity Mode(s) or Abundance27S 21 ms %K+%β+=100, %K2p=2.0, %Kp=? 28S 125 ms 0+ %K+%β+=100, %Kp=21 29S 187 ms 5/2+ %K+%β+=100, %Kp=47 30S 1.178 s 0+ %K+%β+=100 31S 2.572 s 1/2+ %K+%β+=10032S stable 0+ %Abundance=95.02 33S stable 3/2+ %Abundance=0.75 34S stable 0+ %Abundance=4.21 35S 87.32 d 3/2+ %β-=100 36S stable 0+ %Abundance=0.02 37S 5.05 m 7/2- %β-=100 38S 170.3 m 0+ %β-=100 39S 11.5 s (3/2,5/2,7/2) - %β-=100 40S 8.8 s 0+ %β-=100 41S 42S 0.56 s 0+ %β-=100, %β-n < 4 43S 220 ms %β-=100, %β-n=4044S 123 ms 0+ %β-=100, %β-n=18 45S 82 ms %β-=100, %β-n=54 Chlorine Isotope Half-life Spin Parity Mode(s) or Abundance31Cl 150 ms %K+%β+=100, %Kp=0.44 32Cl 298 ms 1+ %K+%β+=100 , %Kα=0.054 , %Kp=0.02633Cl 2.511 s 3/2+ %K+%β+=100 34Cl 1.5264 s 0+ %K+%β+=100 34m1Cl 32.00 m 3+ %K+%β+=55.4 , %IT=44.635Cl stable 3/2+ %Abundance=75.7736Cl 3.01e+5 a 2+ %β-=98.10 , %K+%β+=1.9037Cl stable 3/2+ %Abundance=24.2338Cl 37.24 m 2- %β-=10038m1Cl 715 ms 5- %IT=100 39Cl 55.6 m 3/2+ %β-=100 40Cl 1.35 m 2- %β-=100 41Cl 38.4 s (1/2,3/2)+ %β-=100 42Cl 6.8 s %β-=100 43Cl 3.3 s %β-=100 44Cl 434 ms %β-=100, %β-n < 8 45Cl 400 ms %β-=100, %β-n=24 46Cl 223 ms %β-=100, %β-n=60 47Cl %β-=100, %β-n < 3 Argon Isotope Half-life Spin Parity Mode(s) or Abundance30Ar 20 ns 0+ %p=? 31Ar 15.1 ms %K+%β+=100, %Kp=42 , %K2p=2.48 , %K3p=2.1 32Ar 98 ms 0+ %K+%β+=100, %Kp=4333Ar 173.0 ms 1/2+ %K+%β+=100, %Kp=38.7 34Ar 844.5 ms 0+ %K+%β+=10035Ar 1.775 s 3/2+ %K+%β+=100 36Ar stable 0+ %Abundance=0.337 37Ar 35.04 d 3/2+ %K=100 38Ar stable 0+ %Abundance=0.063 39Ar 269 a 7/2- %β-=100 40Ar stable 0+ %Abundance=99.600 41Ar 109.34 m 7/2- %β-=100 42Ar 32.9 a 0+ %β-=100 43Ar 5.37 m (3/2,5/2) %β-=100 44Ar 11.87 m 0+ %β-=100 45Ar 21.48 s %β-=100 46Ar 8.4 s 0+ %β-=100 47Ar 700 ms %β-=100, %β-n < 1 Potassium Isotope Half-life Spin Parity Mode(s) or Abundance35K 190 ms 3/2+ %K+%β+=100, %Kp=0.3736K 342 ms 2+ %K+%β+=100, %Kp=0.048 , %Kα=0.0034 37K 1.226 s 3/2+ %K+%β+=10038K 7.636 m 3+ %K+%β+=100 38m1K 923.9 ms 0+ %K+%β+=10039K stable 3/2+ %Abundance=93.2581 40K 1.277e+9 a 4- %Abundance=0.0117, %β-=89.28 , %K+%β+=10.72 41K stable 3/2+ %Abundance=6.7302 42K 12.360 h 2- %β-=100 43K 22.3 h 3/2+ %β-=10044K 22.13 m 2- %β-=10045K 17.3 m 3/2+ %β-=100 46K 105 s (2-) %β-=100 47K 17.50 s 1/2+ %β-=10048K 6.8 s (2-) %β-=100, %β-n=1.1449K 1.26 s (3/2+) %β-=100, %β-n=8650K 472 ms (0-,1,2-) %β-=100, %β-n=2951K 365 ms (1/2+,3/2+) %β-=100 , %β-n=4752K 105 ms %β-=100, %β-n=9153K 30 ms (3/2+) %β-=100, %β-n=8554K 10 ms %β-=100, %β-n=? Calcium Isotope Half-life Spin Parity Mode(s) or Abundance35Ca 50 ms %K+%β+=100, %K2p=? 36Ca 102 ms 0+ %K+%β+=100, %Kp=57 37Ca 181.1 ms 3/2+ %K+%β+=100, %Kp=76 38Ca 440 ms 0+ %K+%β+=100 39Ca 859.6 ms 3/2+ %K+%β+=10040Ca stable 0+ %Abundance=96.941 41Ca 1.03e+5 a 7/2- %K=100 42Ca stable 0+ %Abundance=0.647 43Ca stable 7/2- %Abundance=0.13544Ca stable 0+ %Abundance=2.086 45Ca 162.61 d 7/2- %β-=100 46Ca stable 0+ %Abundance=0.00447Ca 4.536 d 7/2- %β-=100 48Ca 6e+18 a 0+ %Abundance=0.187, %β-=?, %ββ=?49Ca 8.718 m 3/2- %β-=100 50Ca 13.9 s 0+ %β-=100 51Ca 10.0 s ( 3/2- ) %β-=100, %β-n=? 52Ca 4.6 s 0+ %β-=100 53Ca 90 ms ( 3/2- ,5/2-) %β-=100, %β-n+%β-2n > 30 Scandium Isotope Half-life Spin Parity Mode(s) or Abundance40Sc 182.3 ms 4- %K+%β+=100, %Kα=0.017 , %Kp=0.44 41Sc 596.3 ms 7/2- %K+%β+=100 42Sc 681.3 ms 0+ %K+%β+=100 42m1Sc 61.7 s 7+,(5+,6+) %K+%β+=100 43Sc 3.891 h 7/2- %K+%β+=100 44Sc 3.927 h 2+ %K+%β+=100 44m1Sc 58.6 h 6+ %IT=98.80 , %K+%β+=1.20 45Sc stable 7/2- %Abundance=100 45m1Sc 318 ms 3/2+ %IT=100 46Sc 83.79 d 4+ %β-=100 46m1Sc 18.75 s 1- %IT=100 47Sc 3.3492 d 7/2- %β-=100 48Sc 43.67 h 6+ %β-=100 49Sc 57.2 m 7/2- %β-=100 50Sc 102.5 s 5+ %β-=100 50m1Sc 0.35 s 2+,3+ %IT > 97.5 < 100, %β-<2.5 51Sc 12.4 s (7/2)- %β-=100 52Sc 8.2 s 3+ %β-=100 Titanium Isotope Half-life Spin Parity Mode(s) or Abundance39Ti 26 ms ( 3/2+ ) %K=100, %Kp+%K2p ~ 14 40Ti 50 ms 0+ %K+%β+=100 41Ti 80 ms 3/2+ %K+%β+=100, %Kp ~ 100 42Ti 199 ms 0+ %K+%β+=100 43Ti 509 ms 7/2- %K+%β+=100 44Ti 63 a 0+ %K=100 45Ti 184.8 m 7/2- %K+%β+=100 46Ti stable 0+ %Abundance=8.0 47Ti stable 5/2- %Abundance=7.3 48Ti stable 0+ %Abundance=73.8 49Ti stable 7/2- %Abundance=5.5 50Ti stable 0+ %Abundance=5.4 51Ti 5.76 m 3/2- %β-=100 52Ti 1.7 m 0+ %β-=100 53Ti 32.7 s (3/2)- %β-=100 54Ti 0+ 55Ti 320 ms ( 3/2- ) %β-=100 56Ti 160 ms 0+ %β-=100, %β-n=0.06 s ys 57Ti 180 ms (5/2-) %β-=100, %β-n=0.04 sys 58Ti 0+ 59Ti (5/2-) %β-=? 60Ti 0+ %β-=? 61Ti (1/2-) %β-=?, %β-n=? Vanadium Isotope Half-life Spin Parity Mode(s) or Abundance43V 800 ms ( 7/2- ) %K+%β+=100 44V 90 ms (2+) %K+%β+=100, %Kα=? 44m1V 150 ms (6+) %K+%β+=100 45V 547 ms 7/2- %K+%β+=100 46V 422.37 ms 0+ %K+%β+=10046m1V 1.02 ms 3+ %IT=100 47V 32.6 m 3/2- %K+%β+=100 48V 15.9735 d 4+ %K+%β+=100 49V 330 d 7/2- %K=100 50V 1.4e+17 a 6+ %Abundance=0.250, %K+%β+=83 , %β-=17 51V stable 7/2- %Abundance=99.750 52V 3.743 m 3+ %β-=100 53V 1.61 m 7/2- %β-=100 54V 49.8 s 3+ %β-=100 55V 6.54 s ( 7/2- ) %β-=10056V 230 ms (3+) %β-=100 57V 320 ms ( 7/2- ) %β-=100, %β-n=? 58V 200 ms (3+) %β-=100 59V 130 ms ( 7/2- ) %β-=100 60V 200 ms (3+) %β-=100, %β-n=0.03 sys61V 62V (3+) %β-=? 63V ( 7/2- ) %β-=? 64V %β-=? Chromium Isotope Half-life Spin Parity Mode(s) or Abundance43Cr 21 ms ( 3/2+ ) %K+%β+=100, %Kp=?, %Kα=?44Cr 53 ms 0+ %K+%β+=100, %Kp<10 45Cr 50 ms %K+%β+=100, %Kp ~ 27 46Cr 0.26 s 0+ %K+%β+=100 47Cr 500 ms 3/2- %K+%β+=100 48Cr 21.56 h 0+ %K+%β+=100 49Cr 42.3 m 5/2- %K+%β+=100 50Cr 1.8e+17 a 0+ %Abundance=4.345, %KK=? 51Cr 27.7025 d 7/2- %K=100 52Cr stable 0+ %Abundance=83.789 53Cr stable 3/2- %Abundance=9.501 54Cr stable 0+ %Abundance=2.365 55Cr 3.497 m 3/2- %β-=100 56Cr 5.94 m 0+ %β-=100 57Cr 21.1 s 3/2-,5/2-, 7/2- %β-=100 58Cr 7.0 s 0+ %β-=100 59Cr 0.74 s %β-=100 60Cr 0.57 s 0+ %β-=100 61Cr 270 ms (5/2-) %β-=100, %β-n=0.6 sys 62Cr 190 ms 0+ %β-=100, %β-n=1.0 sys63Cr 110 ms (1/2-) %β-=100, %β-n=1.4 sys64Cr 0+ 65Cr (1/2-) %β-=? 66Cr 0+ %β-=100 67Cr (1/2-) %β-=? Manganese Isotope Half-life Spin Parity Mode(s) or Abundance46Mn 41 ms %K=100, %Kp=32 47Mn 100 ms %K+%β+=100, %Kp > 3.4 48Mn 158.1 ms 4+ %K+%β+=100, %Kp=0.28 , %Kα<6E-4 49Mn 382 ms 5/2- %K+%β+=100 50Mn 283.88 ms 0+ %K+%β+=100 50m1Mn 1.75 m 5+ %K+%β+=100 51Mn 46.2 m 5/2- %K+%β+=100 52Mn 5.591 d 6+ %K+%β+=100 52m1Mn 21.1 m 2+ %K+%β+=98.25 , %IT=1.7553Mn 3.74e+6 a 7/2- %K=100 54Mn 312.3 d 3+ %K+%β+=100, %β- < 2.9E-4 55Mn stable 5/2- %Abundance=100 56Mn 2.5785 h 3+ %β-=100 57Mn 85.4 s 5/2- %β-=100 58Mn 3.0 s 1+ %β-=100 58m1Mn 65.2 s (4)+ %β- ~ 80, %IT ~ 20 59Mn 4.6 s 3/2-,5/2- %β-=100 60Mn 51 s 0+ %β-=100 60m1Mn 1.77 s 3+ %β-=88.5 , %IT=11.561Mn 0.71 s (5/2-) %β-=100 62Mn 0.88 s (3+) %β-=100 63Mn 0.25 s %β-=100 64Mn 140 ms (3+) %β-=100, %β-n=1.4 sys 65Mn 110 ms (5/2-) %β-=100, %β-n=6.9 sys 66Mn 90 ms %β-=100, %β-n=11 sys Iron Isotope Half-life Spin Parity Mode(s) or Abundance46Fe 20 ms 0+ %K=100, %Kp=?47Fe 27 ms %K+%β+=100, %Kp=? 48Fe 44 ms 0+ %K+%β+=100, %Kp > 3.649Fe 70 ms ( 7/2- ) %K+%β+=100, %Kp > 62 50Fe 150 ms 0+ %K+%β+=100, %β+P ~ 0 51Fe 305 ms 5/2- %K+%β+=100 52Fe 8.275 h 0+ %K+%β+=100 52m1Fe 45.9 s (12+) %K+%β+=100 53Fe 8.51 m 7/2- %K+%β+=100 53m1Fe 2.58 m 19/2- %IT=100 54Fe stable 0+ %Abundance=5.8 55Fe 2.73 a 3/2- %K=100 56Fe stable 0+ %Abundance=91.72 57Fe stable 1/2- %Abundance=2.2 58Fe stable 0+ %Abundance=0.28 59Fe 44.503 d 3/2- %β-=100 60Fe 1.5e+6 a 0+ %β-=100 61Fe 5.98 m 3/2-,5/2- %β-=100 62Fe 68 s 0+ %β-=100 63Fe 6.1 s (5/2)- %β-=10064Fe 2.0 s 0+ %β-=100 65Fe 0.4 s %β-=100 66Fe 440 ms 0+ %β-=100 67Fe 470 ms (1/2-) %β-=100, %β-n=1.1 s ys 68Fe 0.10 s 0+ %β-=100 69Fe 170 ms (1/2-) %β-=100, %β-n=6.9 sys Cobalt Isotope Half-life Spin Parity Mode(s) or Abundance50Co 44 ms (6+) %K+%β+=100, %Kp > 42 51Co ( 7/2- ) 52Co 18 ms %K+%β+=100 53Co 240 ms ( 7/2- ) %K+%β+=100 53m1Co 247 ms (19/2-) %K+%β+ ~ 98.5, %p ~ 1.5 54Co 193.23 ms 0+ %K+%β+=100 54m1Co 1.48 m (7)+ %K+%β+=100 55Co 17.53 h 7/2- %K+%β+=100 56Co 77.27 d 4+ %K+%β+=10057Co 271.79 d 7/2- %K=100 58Co 70.86 d 2+ %K+%β+=100 58m1Co 9.04 h 5+ %IT=100 59Co stable 7/2- %Abundance=100 60Co 5.2714 a 5+ %β-=100 60m1Co 10.467 m 2+ %IT=99.76 , %β-=0.2461Co 1.650 h 7/2- %β-=100 62Co 1.50 m 2+ %β-=100 62m1Co 13.91 m 5+ %β- ~ 100, %IT < 1 63Co 27.4 s (7/2)- %β-=100 64Co 0.30 s 1+ %β-=100 65Co 1.20 s (7/2)- %β-=100 66Co 0.233 s (3+) %β-=100 67Co 0.42 s ( 7/2- ) %β-=100 68Co 0.18 s %β-=100 69Co 0.27 s %β-=100 70Co 150 ms %β-=100, %β-n=2.5 sys 71Co 210 ms ( 7/2- ) %β-=100, %β-n=2.6 sys 72Co 90 ms %β-=100, %β-n=4.8 sys 73Co ( 7/2- ) %β-=? 74Co %β-=? 75Co ( 7/2- ) %β-=? Nickel Isotope Half-life Spin Parity Mode(s) or Abundance52Ni 38 ms 0+ %K+%β+=100, %Kp=17 53Ni 45 ms ( 7/2- ) %K+%β+=100, %Kp ~ 4554Ni 0+ %K+%β+=100 55Ni 212.1 ms 7/2- %K+%β+=100 56Ni 6.077 d 0+ %K+%β+=100 57Ni 35.60 h 3/2- %K+%β+=10058Ni stable 0+ %Abundance=68.077 59Ni 7.6e+4 a 3/2- %K+%β+=100 60Ni stable 0+ %Abundance=26.223 61Ni stable 3/2- %Abundance=1.140 62Ni stable 0+ %Abundance=3.634 63Ni 100.1 a 1/2- %β-=100 64Ni stable 0+ %Abundance=0.926 65Ni 2.5172 h 5/2- %β-=100 66Ni 54.6 h 0+ %β-=100 67Ni 21 s (1/2-) %β-=100 68Ni 19 s 0+ %β-=100 69Ni 11.4 s %β-=100 70Ni 0+ 71Ni 1.86 s %β-=100 72Ni 2.1 s 0+ %β-=100 73Ni 0.70 s (7/2+) %β-=100, %β-n=0.3 sys 74Ni 0.54 s 0+ %β-=100, %β-n=4.5 sys 75Ni 0.6 s (7/2+) %β-=100, %β-n=8.4 sys 76Ni 0.24 s 0+ %β-=100, %β-n=? Copper Isotope Half-life Spin Parity Mode(s) or Abundance57Cu 199.4 ms 3/2- %K+%β+=100 58Cu 3.204 s 1+ %K+%β+=100 59Cu 81.5 s 3/2- %K+%β+=100 60Cu 23.7 m 2+ %K+%β+=100 61Cu 3.333 h 3/2- %K+%β+=100 62Cu 9.74 m 1+ %K+%β+=100 63Cu stable 3/2- %Abundance=69.17 64Cu 12.700 h 1+ %K+%β+=61.0 , %β-=39.0 65Cu stable 3/2- %Abundance=30.83 66Cu 5.120 m 1+ %β-=100 67Cu 61.83 h 3/2- %β-=100 68Cu 31.1 s 1+ %β-=100 68m1Cu 3.75 m (6-) %IT=84 , %β-=16 69Cu 2.85 m 3/2- %β-=100 70Cu 4.5 s (1+) %β-=100 70m1Cu 47 s (4)- %β-=100 71Cu 19.5 s ( 3/2- ) %β-=100 72Cu 6.6 s (1+) %β-=100 73Cu 3.9 s %β-=100 74Cu 1.594 s (1+,3+) %β-=100 75Cu 1.224 s %β-=100, %β-n=3.5 76Cu 0.641 s %β-=100, %β-n=3 76m1Cu 1.27 s %β-=100 77Cu 469 ms %β-=100, %β-n=? 78Cu 342 ms %β-=100 79Cu 188 ms %β-=100, %β-n=55 Zinc Isotope Half-life Spin Parity Mode(s) or Abundance57Zn 40 ms ( 7/2- ) %K+%β+=100, %Kp > 65 58Zn 65 ms 0+ %K+%β+=100 59Zn 182.0 ms 3/2- %K+%β+=100, %Kp=0.10 60Zn 2.38 m 0+ %K+%β+=100 61Zn 89.1 s 3/2- %K+%β+=100 62Zn 9.186 h 0+ %K+%β+=100 63Zn 38.47 m 3/2- %K+%β+=10064Zn stable 0+ %Abundance=48.6 65Zn 244.26 d 5/2- %K+%β+=100 66Zn stable 0+ %Abundance=27.9 67Zn stable 5/2- %Abundance=4.1 68Zn stable 0+ %Abundance=18.8 69Zn 56.4 m 1/2- %β-=100 69m1Zn 13.76 h 9/2+ %IT=99.967 , %β-=0.033 70Zn 5e+14 a 0+ %Abundance=0.6 71Zn 2.45 m 1/2- %β-=100 71m1Zn 3.96 h 9/2+ %β-=100, %IT < 0.0572Zn 46.5 h 0+ %β-=100 73Zn 23.5 s (1/2)- %β-=100 73m1Zn 5.8 s (7/2+) %β-=?, %IT=? 74Zn 95.6 s 0+ %β-=100 75Zn 10.2 s (7/2+) %β-=100 76Zn 5.7 s 0+ %β-=100 77Zn 2.08 s (7/2+) %β-=100 77m1Zn 1.05 s (1/2-) %IT > 50, %β- < 50 78Zn 1.47 s 0+ %β-=100 79Zn 995 ms (9/2+) %β-=100, %β-n=1.3 80Zn 0.545 s 0+ %β-=100, %β-n=1.0 81Zn 0.29 s %β-=100, %β-n=7.5 Gallium Isotope Half-life Spin Parity Mode(s) or Abundance61Ga 0.15 s (3/2- ) %K+%β+=100 62Ga 116.12 ms 0+ %K+%β+=100 63Ga 32.4 s 3/2- ,5/2- %K+%β+=100 64Ga 2.627 m 0+ %K+%β+=100 65Ga 15.2 m 3/2- %K+%β+=100 66Ga 9.49 h 0+ %K+%β+=100 67Ga 3.2612 d 3/2- %K=10068Ga 67.629 m 1+ %K+%β+=100 69Ga stable 3/2- %Abundance=60.108 70Ga 21.14 m 1+ %β-=99.59 , %K=0.4171Ga stable 3/2- %Abundance=39.892 72Ga 14.10 h 3- %β-=100 72m1Ga 39.68 ms ( 0+) %IT=10073Ga 4.86 h 3/2- %β-=100 74Ga 8.12 m (3-) %β-=100 74m1Ga 9.5 s (0) %IT > 50, %β- < 50 75Ga 126 s 3/2- %β-=100 76Ga 32.6 s (2+,3+) %β-=100 77Ga 13.2 s (3/2- ) %β-=100 78Ga 5.09 s (3+) %β-=10079Ga 2.847 s (3/2- ) %β-=100, %β-n=0.08980Ga 1.697 s (3) %β-=100, %β-n=0.8981Ga 1.217 s (5/2- ) %β-=100 , %β-n=11.982Ga 0.599 s (1,2,3) %β-=100, %β-n=22.383Ga 0.31 s %β-=100, %β-n=4084Ga 85 ms %β-=100, %β-n=70 Germanium Isotope Half-life Spin Parity Mode(s) or Abundance61Ge 40 ms (3/2- ) %K+%β+=100, %Kp ~ 80 62Ge 0+ %K+%β+=100 63Ge 95 ms %K+%β+=100 64Ge 63.7 s 0+ %K+%β+=100 65Ge 30.9 s (3/2) - %K+%β+=100, %Kp=0.01166Ge 2.26 h 0+ %K+%β+=100 67Ge 18.9 m 1/2- %K+%β+=100 68Ge 270.8 d 0+ %K=100 69Ge 39.05 h 5/2- %K+%β+=100 70Ge stable 0+ %Abundance=21.23 71Ge 11.43 d 1/2- %K=100 71m1Ge 20.40 ms 9/2+ %IT=100 72Ge stable 0+ %Abundance=27.66 73Ge stable 9/2+ %Abundance=7.73 73m1Ge 0.499 s 1/2- %IT=100 74Ge stable 0+ %Abundance=35.94 75Ge 82.78 m 1/2- %β-=100 75m1Ge 47.7 s 7/2+ %IT=99.970 , %β-=0.03076Ge stable 0+ %Abundance=7.44 77Ge 11.30 h 7/2+ %β-=100 77m1Ge 52.9 s 1/2- %β-=81 , %IT=1978Ge 88.0 m 0+ %β-=100 79Ge 18.98 s (1/2 ) - %β-=100 79m1Ge 39.0 s (7/2+) %β-=96 , %IT=480Ge 29.5 s 0+ %β-=100 81Ge 7.6 s (9/2+) %β-=100 81m1Ge 7.6 s (1/2+) %β-=100 82Ge 4.60 s 0+ %β-=100 83Ge 1.85 s (5/2+) %β-=100 Arsenic Isotope Half-life Spin Parity Mode(s) or Abundance65As 0.19 s %K+%β+=100 66As 95.77 ms %K+%β+=10067As 42.5 s (5/2- ) %K+%β+=100 68As 151.6 s 3+ %K+%β+=100 69As 15.2 m 5/2- %K+%β+=100 70As 52.6 m 4(+) %K+%β+=10071As 65.28 h 5/2- %K+%β+=100 72As 26.0 h 2- %K+%β+=100 73As 80.30 d 3/2- %K=100 74As 17.77 d 2- %β-=34 , %K+%β+=66 75As stable 3/2- %Abundance=100 75m1As 16.79 ms 9/2+ %IT=100 76As 1.0778 d 2- %β-=100 77As 38.83 h 3/2- %β-=100 78As 90.7 m 2- %β-=100 79As 9.01 m 3/2- %β-=100 80As 15.2 s 1+ %β-=100 81As 33.3 s 3/2- %β-=10082As 19.1 s (1+) %β-=100 82m1As 13.6 s (5-) %β-=100 83As 13.4 s (5/2- ,3/2- ) %β-=100 84As 4.5 s (3-) %β-=100, %β-n=0.2885As 2.021 s (3/2- ) %β-=100, %β-n=59.486As 0.945 s %β-=100, %β-n=3387As 0.48 s (3/2- ) %β-=100, %β-n=15.4 Selenium Isotope Half-life Spin Parity Mode(s) or Abundance67Se 60 ms %K+%β+=100, %Kp=0.568Se 35.5 s 0+ %K+%β+=100 69Se 27.4 s (3/2- ) %K+%β+=100, %Kp=0.04570Se 41.1 m 0+ %K+%β+=100 71Se 4.74 m 3/2- ,5/2- %K+%β+=10072Se 8.40 d 0+ %K=100 73Se 7.15 h 9/2+ %K+%β+=100 73m1Se 39.8 m 3/2- %K+%β+=27.4 , %IT=72.6 74Se stable 0+ %Abundance=0.89 75Se 119.779 d 5/2+ %K=100 76Se stable 0+ %Abundance=9.36 77Se stable 1/2- %Abundance=7.6377m1Se 17.36 s 7/2+ %IT=100 78Se stable 0+ %Abundance=23.7879Se 1.13e6 a 7/2+ %β-=100 79m1Se 3.92 m 1/2- %IT=99.944 , %β-=0.05680Se stable 0+ %Abundance=49.6181Se 18.45 m 1/2- %β-=100 81m1Se 57.28 m 7/2+ %IT=99.948 , %β-=0.05282Se 1.08e+20 a 0+ %Abundance=8.73, %ββ=100 83Se 22.3 m 9/2+ %β-=100 83m1Se 70.1 s 1/2- %β-=10084Se 3.10 m 0+ %β-=100 85Se 31.7 s (5/2+) %β-=10086Se 15.3 s 0+ %β-=100 87Se 5.29 s (5/2+) %β-=100, %β-n=0.3688Se 1.53 s 0+ %β-=100, %β-n=0.9989Se 0.41 s (5/2+) %β-=100, %β-n=7.890Se 0+ 91Se 0.27 s %β-=100, %β-n=21 Bromine Isotope Half-life Spin Parity Mode(s) or Abundance70Br 79.1 ms %K+%β+=100 70m1Br 2.2 s %K+%β+=100 71Br 21.4 s 5/2- %K+%β+=10072Br 78.6 s 3+ %K+%β+=100 72m1Br 10.6 s 1- %IT ~ 100, %K+%β+=? 73Br 3.4 m 1/2- %K+%β+=100 74Br 25.4 m (0-) %K+%β+=100 74m1Br 46 m 4(+) %K+%β+=100 75Br 96.7 m 3/2- %K+%β+=100 76Br 16.2 h 1- %K+%β+=10076m1Br 1.31 s (4) + %IT > 99.4, %K+%β+ < 0.6 77Br 57.036 h 3/2- %K+%β+=100 77m1Br 4.28 m 9/2+ %IT=100 78Br 6.46 m 1+ %K+%β+=100, %β- < 0.0178m1Br 119.2 μs (4+) 79Br stable 3/2- %Abundance=50.6979m1Br 4.86 s 9/2+ %IT=10080Br 17.68 m 1+ %β-=91.7 , %K+%β+=8.380m1Br 4.4205 h 5- %IT=100 81Br stable 3/2- %Abundance=49.3182Br 35.30 h 5- %β-=100 82m1Br 6.13 m 2- %IT=97.6 , %β-=2.4 83Br 2.40 h 3/2- %β-=100 84Br 31.80 m 2- %β-=10084m1Br 6.0 m 6- %β-=100 85Br 2.90 m 3/2- %β-=100 86Br 55.1 s (2- ) %β-=100 87Br 55.60 s 3/2- %β-=100, %β-n=2.5288Br 16.34 s (1,2- ) %β-=100, %β-n=6.5889Br 4.348 s (3/2- ,5/2- ) %β-=100, %β-n=13.890Br 1.91 s %β-n=25.2 , %β-=100 91Br 0.541 s %β-=100, %β-n=18.392Br 0.343 s (2- ) %β-=100, %β-n=3393Br 102 ms (5/2- ) %β-=100, %β-n=10 +5-3 94Br 70 ms %β-=100, %β-n=30 Krypton Isotope Half-life Spin Parity Mode(s) or Abundance71Kr 64 ms %K+%β+=100, %Kp=5.272Kr 17.2 s 0+ %K+%β+=100 73Kr 27.0 s 5/2- %K+%β+=100, %Kp=0.6874Kr 11.50 m 0+ %K+%β+=10075Kr 4.3 m (5/2) + %K+%β+=100 76Kr 14.8 h 0+ %K+%β+=100 77Kr 74.4 m 5/2+ %K+%β+=10078Kr stable 0+ %Abundance=0.35 79Kr 35.04 h 1/2- %K+%β+=10079m1Kr 50 s 7/2+ %IT=100 80Kr stable 0+ %Abundance=2.25 81Kr 2.29e+5 a 7/2+ %K=100 81m1Kr 13.10 s 1/2- %IT=99.9975 , %K=2.5E-3 82Kr stable 0+ %Abundance=11.6 83Kr stable 9/2+ %Abundance=11.5 83m1Kr 1.83 h 1/2- %IT=100 84Kr stable 0+ %Abundance=57.085Kr 10.756 a 9/2+ %β-=100 85m1Kr 4.480 h 1/2- %IT=21.4 , %β-=78.686Kr stable 0+ %Abundance=17.3 87Kr 76.3 m 5/2+ %β-=100 88Kr 2.84 h 0+ %β-=100 89Kr 3.15 m (3/2+,5/2+) %β-=100 90Kr 32.32 s 0+ %β-=100 91Kr 8.57 s (5/2+) %β-=100 92Kr 1.840 s 0+ %β-=100, %β-n=0.03393Kr 1.286 s (1/2+) %β-=100, %β-n=1.9594Kr 0.20 s 0+ %β-=100, %β-n=5.795Kr 0.78 s 1/2 %β-=100 Rubidium Isotope Half-life Spin Parity Mode(s) or Abundance74Rb 64.9 ms (0+) %K+%β+=100 75Rb 19.0 s (3/2- ,5/2-) %K+%β+=100 76Rb 36.5 s 1(-) %K+%β+=100 77Rb 3.77 m 3/2- %K+%β+=100 78Rb 17.66 m 0(+) %K+%β+=100 78m1Rb 5.74 m 4(-) %K+%β+=90 , %IT=10 79Rb 22.9 m 5/2+ %K+%β+=100 80Rb 34 s 1+ %K+%β+=100 81Rb 4.576 h 3/2- %K+%β+=100 81m1Rb 30.5 m 9/2+ %IT=97.6 , %K+%β+ =2.4 82Rb 1.273 m 1+ %K+%β+=100 82m1Rb 6.472 h 5- %K+%β+=100, %IT<0.3383Rb 86.2 d 5/2- %K=100 83m1Rb 7.8 ms 9/2+ %IT=?, %K+%β+=? 84Rb 32.77 d 2- %β-=3.8 , %K+%β+=96.2 84m1Rb 20.26 m 6- %IT=100 85Rb stable 5/2- %Abundance=72.165 86Rb 18.631 d 2- %β-=99.9948 , %K=0.0052 86m1Rb 1.017 m 6- %IT=100 87Rb 4.75e10 a 3/2- %Abundance=27.835, %β-=100 88Rb 17.78 m 2- %β-=100 89Rb 15.15 m 3/2- %β-=100 90Rb 158 s 0- %β-=100 90m1Rb 258 s 3- %β-=97.4 , %IT=2.6 91Rb 58.4 s 3/2(-) %β-=100 92Rb 4.492 s 0- %β-=100, %β-n=0.0107 93Rb 5.84 s 5/2- %β-=100, %β-n=1.39 94Rb 2.702 s 3(-) %β-=100, %β-n=10.4 95Rb 377.5 ms 5/2- %β-=100, %β-n=8.73 96Rb 0.199 s 2+ %β-=100, %β-n=13.8 97Rb 169.9 ms 3/2(+) %β-=100, %β-n=25.1 98Rb 114 ms (1,0) %β-=100, %β-n=13.6 , %β-2n=0.051 98m1Rb 96 ms (4,5) %β-=100 99Rb 50.3 ms (5/2+ ) %β-=100, %β-n=20.7 100Rb 51 ms %β-=100, %β-n=6 , %β-2n=0.16 101Rb 32 ms (3/2+ ) %β-=100, %β-n=28 102Rb 37 ms %β-=100 , %β-n=18 Strontium Isotope Half-life Spin Parity Mode(s) or Abundance75Sr 71 ms %K+%β+=100, %Kp=6.5 76Sr 8.9 s 0+ %K+%β+=100 77Sr 9.0 s 5/2+ %K+%β+=100 , %Kp < 0.25 78Sr 2.5 m 0+ %K+%β+=100 79Sr 2.25 m 3/2(-) %K+%β+=100 80Sr 106.3 m 0+ %K+%β+=100 81Sr 22.3 m 1/2- %K+%β+=100 82Sr 25.55 d 0+ %K=100 83Sr 32.41 h 7/2+ %K+%β+=100 83m1Sr 4.95 s 1/2- %IT=100 84Sr stable 0+ %Abundance=0.56 85Sr 64.84 d 9/2+ %K=100 85m1Sr 67.63 m 1/2- %IT=86.6 , %K+%β+=13.4 86Sr stable 0+ %Abundance=9.86 87Sr stable 9/2+ %Abundance=7.00 87m1Sr 2.803 h 1/2- %K=0.30 , %IT=99.70 88Sr stable 0+ %Abundance=82.58 89Sr 50.53 d 5/2+ %β-=100 90Sr 28.79 a 0+ %β-=100 91Sr 9.63 h 5/2+ %β-=100 92Sr 2.71 h 0+ %β-=100 93Sr 7.423 m 5/2+ %β-=10094Sr 75.3 s 0+ %β-=100 95Sr 23.90 s 1/2+ %β-=100 96Sr 1.07 s 0+ %β-=100 97Sr 426 ms 1/2+ %β-=100, %β-n=0.005 98Sr 0.653 s 0+ %β-=100, %β-n=0.18 99Sr 0.269 s 3/2+ %β-=100, %β-n=0.100 100Sr 202 ms 0+ %β-=100, %β-n=0.78 101Sr 118 ms (5/2-) %β-=100, %β-n=2.37 Yttrium Isotope Half-life Spin Parity Mode(s) or Abundance79Y 14.8 s (5/2+ ) %K+%β+=100, %Kp=? 80Y 35 s (3,4,5) %K+%β+=100 81Y 70.4 s (5/2+ ) %K+%β+=100 82Y 9.5 s 1+ %K+%β+=100 83Y 7.08 m (9/2+ ) %K+%β+=100 83m1Y 2.85 m (3/2-) %K+%β+=60 , %IT=40 84Y 4.6 s 1+ %K+%β+=100 84m1Y 39.5 m (5-) %K+%β+=100 85Y 2.68 h (1/2) - %K+%β+=100 85m1Y 4.86 h 9/2+ %K+%β+=100, %IT < 2E-3 86Y 14.74 h 4- %K+%β+=100 86m1Y 48 m (8+ ) %IT=99.31 , %K+%β+=0.69 87Y 79.8 h 1/2- %K+%β+=100 87m1Y 13.37 h 9/2+ %IT=98.43 , %K+%β+=1.57 88Y 106.65 d 4- %K+%β+=100 88m1Y 13.9 ms (8) + %IT=100 89Y stable 1/2- %Abundance=100 89m1Y 16.06 s 9/2+ %IT=100 90Y 64.00 h 2- %β-=100 90m1Y 3.19 h 7+ %IT=99.9982 , %β-=0.0018 91Y 58.51 d 1/2- %β-=100 91m1Y 49.71 m 9/2+ %IT=100, %β-<1.5 92Y 3.54 h 2- %β-=100 93Y 10.18 h 1/2- %β-=100 93m1Y 0.82 s 7/2+ %IT=100 94Y 18.7 m 2- %β-=100 95Y 10.3 m 1/2- %β-=100 96Y 5.34 s 0- %β-=100 96m1Y 9.6 s (8+ ) %β- ~ 100 97Y 3.75 s (1/2-) %β-=100, %β-n=0.055 Zirconium Isotope Half-life Spin Parity Mode(s) or Abundance81Zr 15 s %K+%β+=100, %Kp=? 82Zr 32 s 0+ %K+%β+=100 83Zr 44 s (1/2-) %K+%β+=100, %Kp=? 84Zr 25.9 m 0+ %K+%β+=100 85Zr 7.86 m 7/2+ %K+%β+=100 85m1Zr 10.9 s (1/2-) %K+%β+ > 8, %IT < 92 86Zr 16.5 h 0+ %K+%β+=100 87Zr 1.68 h (9/2) + %K+%β+=100 87m1Zr 14.0 s (1/2) - %IT=100 88Zr 83.4 d 0+ %K=100 89Zr 78.41 h 9/2+ %K+%β+=100 89m1Zr 4.18 m 1/2- %K+%β+=6.23 , %IT=93.77 90Zr stable 0+ %Abundance=51.45 90m1Zr 809.2 ms 5- %IT=100 91Zr stable 5/2+ %Abundance=11.22 92Zr stable 0+ %Abundance=17.15 93Zr 1.53e+6 a 5/2+ %β-=100 94Zr stable 0+ %Abundance=17.38 95Zr 64.02 d 5/2+ %β-=100 96Zr 3.8e19 a 0+ %Abundance=2.80, %β- β-=10097Zr 16.91 h 1/2+ %β-=100 98Zr 30.7 s 0+ %β-=100 99Zr 2.1 s (1/2+ ) %β-=100 100Zr 7.1 s 0+ %β-=100 101Zr 2.3 s (3/2+ ) %β-=100 102Zr 2.9 s 0+ %β-=100 103Zr 1.3 s (5/2-) %β-=100 104Zr 1.2 s 0+ %β-=100 Niobium Isotope Half-life Spin Parity Mode(s) or Abundance83Nb 4.1 s (5/2+ ) %K+%β+=100 84Nb 12 s 3+ %K+%β+=100, %Kp=? 85Nb 20.9 s (9/2+ ) %K+%β+=100 86Nb 88 s (5+ ) %K+%β+=100 86m1Nb 56 s %K+%β+=100 87Nb 2.6 m (9/2+ ) %K+%β+=100 87m1Nb 3.7 m (1/2-) %K+%β+=100 88Nb 14.5 m (8+ ) %K+%β+=100 88m1Nb 7.8 m (4-) %K+%β+=100 89Nb 1.9 h (9/2+ ) %K+%β+=100 89m1Nb 1.18 h (1/2) - %K+%β+=100 90Nb 14.60 h 8+ %K+%β+=100 90m1Nb 18.81 s 4- %IT=100 90m2Nb 6.19 ms 1+ %IT=100 91Nb 680 a 9/2+ %K+%β+=100 91m1Nb 60.86 d 1/2- %IT=93 , %K+%β+=7 92Nb 3.47e+7 a (7) + %K+%β+=100, %β- < 0.05 92m1Nb 10.15 d (2) + %K+%β+=100 93Nb stable 9/2+ %Abundance=100 93m1Nb 16.13 a 1/2- %IT=100 94Nb 2.03e+4 a (6) + %β-=100 94m1Nb 6.263 m 3+ %IT=99.50 , %β-=0.50 95Nb 34.975 d 9/2+ %β-=100 95m1Nb 86.6 h 1/2- %β-=5.6 , %IT=94.4 96Nb 23.35 h 6+ %β-=100 97Nb 72.1 m 9/2+ %β-=100 97m1Nb 52.7 s 1/2- %IT=100 98Nb 2.86 s 1+ %β-=100 98m1Nb 51.3 m (5+ ) %β-=99.9 , %IT < 0.2 99Nb 15.0 s 9/2+ %β-=100 Molybdenium Isotope Half-life Spin Parity Mode(s) or Abundance86Mo 19.6 s 0+ %K+%β+=100 87Mo 13.4 s (7/2+ ) %K+%β+=100, %β+P=? 88Mo 8.0 m 0+ %K+%β+=100 89Mo 2.04 m (9/2+ ) %K+%β+=100 89m1Mo 190 ms (1/2-) %IT=100 90Mo 5.56 h 0+ %K+%β+=100 91Mo 15.49 m 9/2+ %K+%β+=100 91m1Mo 65.0 s 1/2- %K+%β+=49.9 , %IT=50.1 92Mo stable 0+ %Abundance=14.84 93Mo 4.0e+3 a 5/2+ %K=100 93m1Mo 6.85 h 21/2+ %IT=99.88 , %K+%β+=0.12 94Mo stable 0+ %Abundance=9.25 95Mo stable 5/2+ %Abundance=15.9296Mo stable 0+ %Abundance=16.68 97Mo stable 5/2+ %Abundance=9.55 98Mo stable 0+ %Abundance=24.13 99Mo 65.94 h 1/2+ %β-=100 100Mo 1.00e+19 a 0+ %Abundance=9.63, %ββ=100 101Mo 14.61 m 1/2+ %β-=100 102Mo 11.3 m 0+ %β-=100 103Mo 67.5 s (3/2+ ) %β-=100 104Mo 60 s 0+ %β-=100 105Mo 35.6 s (5/2-) %β-=100 106Mo 8.4 s 0+ %β-=100 107Mo 3.5 s %β-=100 108Mo 1.09 s 0+ %β-=100 109Mo 0.53 s %β-=100 110Mo 0.30 s 0+ %β-=100 Technetium Isotope Half-life Spin Parity Mode(s) or Abundance88Tc 6.4 s (6,7,8) %K+%β+=100 88m1Tc 5.8 s (2,3) %K+%β+=100 89Tc 12.8 s (9/2+ ) %K+%β+=100 89m1Tc 12.9 s (1/2-) %K+%β+=100 90Tc 49.2 s (8+ ) %K+%β+=100 90m1Tc 8.7 s 1+ %K+%β+=100 91Tc 3.14 m (9/2) + %K+%β+=10091m1Tc 3.3 m (1/2) - %K+%β+=100, %IT<1 92Tc 4.23 m (8) + %K+%β+=100 93Tc 2.75 h 9/2+ %K+%β+=100 93m1Tc 43.5 m 1/2- %IT=76.6 , %K+%β+=23.4 94Tc 293 m 7+ %K+%β+=100 94m1Tc 52.0 m (2) + %K+%β+=100, %IT<0.195Tc 20.0 h 9/2+ %K+%β+=100 95m1Tc 61 d 1/2- %K+%β+=96.12 , %IT=3.88 96Tc 4.28 d 7+ %K+%β+=100 96m1Tc 51.5 m 4+ %IT=98.0 , %K+%β+=2.0 97Tc 2.6e6 a 9/2+ %K=100 97m1Tc 90.1 d 1/2- %IT=100, %K<0.34 98Tc 4.2e+6 a (6) + %β-=100 99Tc 2.111e+5 a 9/2+ %β-=100 99m1Tc 6.01 h 1/2- %IT=99.9963 , %β-=0.0037 100Tc 15.8 s 1+ %β-=99.9982 , %K=0.0018 101Tc 14.22 m 9/2+ %β-=100 102Tc 5.28 s 1+ %β-=100 102m1Tc 4.35 m (4,5) %β-=98 , %IT=2 103Tc 54.2 s 5/2+ %β-=100 104Tc 18.3 m (3+ ) %β-=100 105Tc 7.6 m (3/2-) %β-=100 Ruthenium Isotope Half-life Spin Parity Mode(s) or Abundance90Ru 11 s 0+ %K+%β+=100 91Ru 9 s (9/2+ ) %K+%β+=100 91m1Ru 7.6 s (1/2-) %K+%β+=?, %Kp=?, %IT=? 92Ru 3.65 m 0+ %K+%β+=100 93Ru 59.7 s (9/2) + %K+%β+=100 93m1Ru 10.8 s (1/2) - %IT=22.0 , %K+%β+=78.0 , %Kp=0.027 94Ru 51.8 m 0+ %K+%β+=100 95Ru 1.643 h 5/2+ %K+%β+=10096Ru stable 0+ %Abundance=5.52 97Ru 2.9 d 5/2+ %K=100 98Ru stable 0+ %Abundance=1.88 99Ru stable 5/2+ %Abundance=12.7 100Ru stable 0+ %Abundance=12.6 101Ru stable 5/2+ %Abundance=17.0 102Ru stable 0+ %Abundance=31.6 103Ru 39.26 d 3/2+ %β-=100 103m1Ru 1.69 ms 11/2- %IT=100 104Ru stable 0+ %Abundance=18.7 105Ru 4.44 h 3/2+ %β-=100 106Ru 373.59 d 0+ %β-=100 107Ru 3.75 m (5/2) + %β-=100 108Ru 4.55 m 0+ %β-=100 109Ru 34.5 s (5/2+ ) %β-=100 110Ru 14.6 s 0+ %β-=100 111Ru 2.12 s %β-=100 112Ru 1.75 s 0+ %β-=100 113Ru 0.80 s %β-=100 114Ru 0.53 s 0+ %β-=100 115Ru 0.40 s %β-=100, %β-n=? Rhodium Isotope Half-life Spin Parity Mode(s) or Abundance94Rh 70.6 s (3+ ) %K+%β+=100, %Kp=1.8 94m1Rh 25.8 s (8+ ) %K+%β+=100 95Rh 5.02 m (9/2) + %K+%β+=100 95m1Rh 1.96 m (1/2) - %K+%β+=12 , %IT=88 96Rh 9.90 m 6+ %K+%β+=100 96m1Rh 1.51 m 3+ %IT=60 , %K+%β+=40 97Rh 30.7 m (9/2) + %K+%β+=100 97m1Rh 46.2 m (1/2) - %K+%β+=94.4 , %IT=5.6 98Rh 8.7 m (2) + %K+%β+=100 98m1Rh 3.5 m (5+ ) %K+%β+>0, %IT=?99Rh 16.1 d 1/2- %K+%β+=100 99m1Rh 4.7 h 9/2+ %K+%β+ > 99.84 , %IT<0.16 100Rh 20.8 h 1- %K+%β+=100 100m1Rh 4.6 m (5+ ) %IT ~ 98.3, %K+%β+ ~ 1.7 101Rh 3.3 a 1/2- %K=100 101m1Rh 4.34 d 9/2+ %K=92.80 , %IT=7.20 102Rh 207 d (1- ,2-) %β-=20 , %K+%β+=80 102m1Rh 2.9 a 6(+) %K+%β+=99.767 , %IT=0.233 103Rh stable 1/2- %Abundance=100 103m1Rh 56.12 m 7/2+ %IT=100 104Rh 42.3 s 1+ %β-= 99.55 , %K+%β+= 0.45 104m1Rh 4.34 m 5+ %IT=99.87 , %β-=0.13 105Rh 35.36 h 7/2+ %β-=100 105m1Rh 45 s 1/2- %IT=100 106Rh 29.80 s 1+ %β-=100 106m1Rh 131 m (6) + %β-=100 107Rh 21.7 m 7/2+ %β-=100 108Rh 16.8 s 1+ %β-=100 108m1Rh 6.0 m (5+ ) %β-=100 109Rh 80 s 7/2+ %β-=100 Palladium Isotope Half-life Spin Parity Mode(s) or Abundance96Pd 122 s 0+ %K+%β+=100 97Pd 3.10 m (5/2+ ) %K+%β+=10098Pd 17.7 m 0+ %K+%β+=100 99Pd 21.4 m (5/2) + %K+%β+=100 100Pd 3.63 d 0+ %K=100 101Pd 8.47 h 5/2+ %K+%β+=100 102Pd stable 0+ %Abundance=1.02 103Pd 16.991 d 5/2+ %K=100 104Pd stable 0+ %Abundance=11.14105Pd stable 5/2+ %Abundance=22.33 106Pd stable 0+ %Abundance=27.33 107Pd 6.5e+6 a 5/2+ %β-=100 107m1Pd 21.3 s 11/2- %IT=100 108Pd stable 0+ %Abundance=26.46 109Pd 13.7012 h 5/2+ %β-=100 109m1Pd 4.696 m 11/2- %IT=100 110Pd stable 0+ %Abundance=11.72 111Pd 23.4 m 5/2+ %β-=100 111m1Pd 5.5 h 11/2- %IT=73 , %β-=27 112Pd 21.03 h 0+ %β-=100 113Pd 93 s (5/2+ ) %β-=100 113m1Pd 100 s %β-=? 113m2Pd 0.3 s (9/2-) %IT=100 114Pd 2.42 m 0+ %β-=100 115Pd 25 s (5/2+ ) %β-=100 115m1Pd 50 s (11/2-) %β-=92.0 , %IT=8.0 116Pd 11.8 s 0+ %β-=100 117Pd 4.3 s (5/2+ ) %β-=100 117m1Pd 19.1 ms (11/2-) %IT=100 118Pd 1.9 s 0+ %β-=100 119Pd 0.92 s %β-=100 120Pd 0.5 s 0+ %β-=100 Silver Isotope Half-life Spin Parity Mode(s) or Abundance94Ag 10 ms 0+ %K+%β+=10094m1Ag 0.42 s (9+ ) %K+%β+=100, %Kp=? 95Ag 2.0 s %K+%β+=100, %Kp=? 96Ag 5.1 s (8+ , 9+ ) %K+%β+=100, %Kp=8.0 97Ag 19 s (9/2+ ) %K+%β+=100 98Ag 46.7 s (5+ ) %K+%β+=100 99Ag 124 s (9/2) + %K+%β+=100 99m1Ag 10.5 s (1/2-) %IT=100 100Ag 2.01 m (5) + %K+%β+=100 100m1Ag 2.24 m (2) + %K+%β+=?, %IT=? 101Ag 11.1 m 9/2+ %K+%β+=100 101m1Ag 3.10 s (1/2) - %IT=100 102Ag 12.9 m 5+ %K+%β+=100 102m1Ag 7.7 m 2+ %IT=49 , %K+%β+=51 103Ag 65.7 m 7/2+ %K+%β+=100 103m1Ag 5.7 s 1/2- %IT=100 104Ag 69.2 m 5+ %K+%β+=100 104m1Ag 33.5 m 2+ %K+%β+=100, %IT < 0.07 105Ag 41.29 d 1/2- %K+%β+=100 105m1Ag 7.23 m 7/2+ %IT=99.66 , %K+%β+=0.34 106Ag 23.96 m 1+ %K+β+=99.5 , %β- < 1 106m1Ag 8.28 d 6+ %K+β+=100 107Ag stable 1/2- %Abundance=51.839 107m1Ag 44.3 s 7/2+ %IT=100 108Ag 2.37 m 1+ %β-=97.15 , %K+%β+=2.85 108m1Ag 418 a 6+ %IT=8.7 , %K+%β+=91.3 109Ag stable 1/2- %Abundance=48.161 109m1Ag 39.6 s 7/2+ %IT=100 110Ag 24.6 s 1+ %β-=99.70 , %K=0.30 110m1Ag 249.79 d 6+ %β-=98.64 , %IT=1.36 111Ag 7.45 d 1/2- %β-=100 111m1Ag 64.8 s 7/2+ %IT=99.3, %β-=0.7 112Ag 3.130 h 2(-) %β-=100 113Ag 5.37 h 1/2- %β-=100 113m1Ag 68.7 s 7/2+ %IT= 64 , %β-=36 114Ag 4.6 s 1+ %β-=100 114m1Ag 1.50 ms (LE 6+ ) %IT=100115Ag 20.0 m 1/2- %β-=100 115m1Ag 18.0 s 7/2+ %β-=79.0 , %IT=21.0 116Ag 2.68 m (2) - %β-=100 116m1Ag 8.6 s (5+ ) %IT=6.0 , %β-=94.0 117Ag 72.8 s (1/2-) %β-=100 117m1Ag 5.34 s (7/2+ ) %β-=94.0 , %IT=6.0 118Ag 3.76 s (1) - %β-=100 118m1Ag 2.0 s (4) + %β-=59, %IT=41 119Ag 2.1 s (7/2+ ) %β-=100 119m1Ag 6.0 s (1/2-) %β-=100120Ag 1.23 s (3+ ) %β-=100 120m1Ag 0.32 s (6-) %β- ~ 63, %IT ~ 37 121Ag 0.78 s (7/2+ ) %β-=100 , %β-n=0.080 122Ag 0.48 s (3+ ) %β-=100, %β-n=?122m1Ag 1.5 s %β-=100 123Ag 0.309 s (7/2+ ) %β-=100, %β-n=55 124Ag 0.172 s %β-=100 , %β-n > 0.1 125Ag 166 ms %β-=100, %β-n=? 126Ag 107 ms %β-=100 127Ag 109 ms %β-=100 128Ag 58 ms %β-=100, %β-n=? Cadmium Isotope Half-life Spin Parity Mode(s) or Abundance97Cd 3 s %K+%β+=100, %Kp=? 98Cd 9.2 s 0+ %K+%β+=100 99Cd 16 s (5/2+ ) %K+%β+=100, %Kp=0.17 +11-5, %Kα<1E-4 100Cd 49.1 s 0+ %K+%β+=100 101Cd 1.36 m (5/2+ ) %K+%β+=100 102Cd 5.5 m 0+ %K+%β+=100 103Cd 7.3 m (5/2+ ) %K+%β+=100 104Cd 57.7 m 0+ %K+%β+=100 105Cd 55.5 m 5/2+ %K+%β+ =100106Cd stable 0+ %Abundance=1.25 107Cd 6.50 h 5/2+ %K+%β+=100 108Cd stable 0+ %Abundance=0.89109Cd 462.6 d 5/2+ %K=100 110Cd stable 0+ %Abundance=12.49111Cd stable 1/2+ %Abundance=12.80 111m1Cd 48.54 m 11/2- %IT=100 112Cd stable 0+ %Abundance=24.13113Cd 7.7e+15 a 1/2+ %Abundance=12.22, %β-=100 113m1Cd 14.1 a 11/2- %β-=99.86, %IT=0.14 114Cd stable 0+ %Abundance=28.73 115Cd 53.46 h 1/2+ %β-=100 115m1Cd 44.6 d 11/2- %β-=100116Cd stable 0+ %Abundance=7.49 117Cd 2.49 h 1/2+ %β-=100 117m1Cd 3.36 h (11/2) - %β-=100 118Cd 50.3 m 0+ %β-=100 119Cd 2.69 m 3/2+ %β-=100 119m1Cd 2.20 m (11/2-) %β-=100 120Cd 50.80 s 0+ %β-=100 121Cd 13.5 s (3/2+ ) %β-=100 121m1Cd 8.3 s (11/2-) %β-=100 122Cd 5.24 s 0+ %β-=100 123Cd 2.10 s (3/2) + %β-=100 123m1Cd 1.82 s (11/2-) %β-=100 124Cd 1.25 s 0+ %β-=100 125Cd 0.65 s (3/2+ ) %β-=100 125m1Cd 0.57 s (11/2-) %β-=100 126Cd 0.506 s 0+ %β-=100 127Cd 0.37 s (3/2+ ) %β-=100 128Cd 0.34 s 0+ %β-=100 129Cd 0.27 s (3/2+ ) %β-=100 130Cd 0.20 s 0+ %β-=100 , %β-n ~ 4 Indium Isotope Half-life Spin Parity Mode(s) or Abundance100In 7.0 s %K+%β+=100, %Kp>3.9 101In 15.1 s %K+%β+ ~ 100, %Kp=? 102In 22 s (6+ ) %K+%β+=100, %Kp=0.0093 103In 65 s (9/2) + %K+%β+=100 103m1In 34 s (1/2-) %K+%β+=67, %IT=33 104In 1.80 m (6+ ) %K+%β+=100 104m1In 15.7 s (3+ ) %IT=80, %K+%β+=20105In 5.07 m (9/2) + %K+%β+=100 105m1In 48 s (1/2) - %IT=100 106In 6.2 m 7+ %K+%β+=100 106m1In 5.2 m (3+ ) %K+%β+=100 107In 32.4 m 9/2+ %K+%β+=100 107m1In 50.4 s 1/2- %IT=100 108In 58.0 m 7+ %K+%β+=100 108m1In 39.6 m 2+ %K+%β+=100 109In 4.2 h 9/2+ %K+%β+=100 109m1In 1.34 m 1/2- %IT=100 109m2In 0.209 s (19/2+ ) %IT=100 110In 4.9 h 7+ %K+%β+=100 110m1In 69.1 m 2+ %K+%β+=100111In 2.8047 d 9/2+ %K=100 111m1In 7.7 m 1/2- %IT=100 112In 14.97 m 1+ %β-=44 , %K+%β+=56 112m1In 20.56 m 4+ %IT=100 113In stable 9/2+ %Abundance=4.3 113m1In 1.6582 h 1/2- %IT=100 114In 71.9 s 1+ %β-=99.50 , %K+%β+=0.50 114m1In 49.51 d 5+ %IT=96.75 , %K+%β+=3.25 114m2In 43.1 ms 8- %IT=100 115In 4.41e+14 a 9/2+ %Abundance=95.7, %β-=100115m1In 4.486 h 1/2- %IT=95.0 , %β-=5.0 116In 14.10 s 1+ %β- > 99.94 , %K < 0.06 116m1In 54.29 m 5+ %β-=100 116m2In 2.18 s 8- %IT=100 117In 43.2 m 9/2+ %β-=100 117m1In 116.2 m 1/2- %β-=52.9 , %IT=47.1 118In 5.0 s 1+ %β-=100 118m1In 4.45 m 5+ %β-=100 118m2In 8.5 s 8- %β-=1.4 , %IT=98.6 119In 2.4 m 9/2+ %β-=100 119m1In 18.0 m 1/2- %β-=94.4 , %IT=5.6 120In 3.08 s 1+ %β-=100 120m1In 46.2 s (3,4,5) + %β-=100 120m2In 47.3 s (8-) %β-=100 121In 23.1 s 9/2+ %β-=100 121m1In 3.88 m 1/2- %β-=98.8 , %IT=1.2 122In 1.5 s 1+ %β-=100 122m1In 10.3 s 5+ %β-=100 122m2In 10.8 s 8- %β-=100 123In 5.98 s 9/2+ %β-=100 123m1In 47.8 s 1/2- %β-=100 124In 3.11 s 3+ %β-=100 124m1In 3.7 s (8-) %β-=100 125In 2.36 s 9/2(+) %β-=100 125m1In 12.2 s 1/2(-) %β-=100 126In 1.60 s 3(+) %β-=100 126m1In 1.64 s 7- ,8- ,9- %β-=100127In 1.09 s (9/2+ ) %β-=100, %β-n < 0.03 127m1In 3.67 s (1/2-) %β-=100, %β-n=0.69 128In 0.84 s (3+ ) %β-=100, %β-n < 0.04 128m1In 0.72 s (8-) %β-=100, %β-n < 0.04 129In 0.61 s (9/2+ ) %β-=100, %β-n=0.25 129m1In 1.23 s (1/2-) %β- > 99.7, %β-n=2.5 , %IT < 0.3 130In 0.32 s 1(-) %β-=100 , %β-n=0.90 130m1In 0.55 s (10- ) %β-=100 , %β-n < 1.67 130m2In 0.55 s (5+ ) %β-=100 , %β-n < 1.67 131In 0.282 s (9/2+ ) %β-=100, %β-n < 2.2 131m1In 0.35 s (1/2-) %β-=100, %β-n < 2.2 , %IT < 0.04 131m2In 0.32 s (21/2+ ) %β-=100, %β-n < 2.2 132In 0.201 s (7-) %β-=100 , %β-n=6.2 133In 180 ms (9/2+ ) %β-=100, %β-n=85 134In 138 ms %β-=100, %β-n=65 Tin Isotope Half-life Spin Parity Mode(s) or Abundance100Sn 0.94 s 0+ %K+%β+=100, %Kp < 17 101Sn 3 s %K+%β+=100, %Kp=? 102Sn 4.5 s 0+ %K+%β+=100 103Sn 7 s %K+%β+=100 104Sn 20.8 s 0+ %K+%β+=100 105Sn 31 s %K+%β+=100, %β+P=? 106Sn 115 s 0+ %K+%β+=100 107Sn 2.90 m (5/2+ ) %K+%β+=100 108Sn 10.30 m 0+ %K+%β+=100 109Sn 18.0 m 5/2(+) %K+%β+=100 110Sn 4.11 h 0+ %K=100 111Sn 35.3 m 7/2+ %K+%β+=100 112Sn stable 0+ %Abundance=0.97 113Sn 115.09 d 1/2+ %K+%β+=100113m1Sn 21.4 m 7/2+ %IT=91.1 , %K+%β+=8.9 114Sn stable 0+ %Abundance=0.65 115Sn stable 1/2+ %Abundance=0.34116Sn stable 0+ %Abundance=14.53117Sn stable 1/2+ %Abundance=7.68 117m1Sn 13.60 d 11/2- %IT=100 118Sn stable 0+ %Abundance=24.23 119Sn stable 1/2+ %Abundance=8.59 119m1Sn 293.1 d 11/2- %IT=100 120Sn stable 0+ %Abundance=32.59 121Sn 27.06 h 3/2+ %β-=100 121m1Sn 55 a 11/2- %IT=77.6 , %β-=22.4 122Sn stable 0+ %Abundance=4.63 123Sn 129.2 d 11/2- %β-=100 123m1Sn 40.06 m 3/2+ %β-=100 124Sn stable 0+ %Abundance=5.79 125Sn 9.64 d 11/2- %β-=100 125m1Sn 9.52 m 3/2+ %β-=100126Sn 1e+5 a 0+ %β-=100 127Sn 2.10 h (11/2-) %β-=100127m1Sn 4.13 m (3/2+ ) %β-=100 128Sn 59.07 m 0+ %β-=100 128m1Sn 6.5 s (7-) %IT=100 129Sn 2.23 m (3/2+ ) %β-=100129m1Sn 6.9 m (11/2-) %β-=100, %IT ~ 2E-4 130Sn 3.72 m 0+ %β-=100 130m1Sn 1.7 m (7-) %β-=100 131Sn 56.0 s (3/2+ ) %β-=100 131m1Sn 58.4 s (11/2-) %β-=100, %IT < 0.009 132Sn 39.7 s 0+ %β-=100 133Sn 1.45 s (7/2-) %β-=100, %β-n=0.08134Sn 1.12 s 0+ %β-=100, %β-n=17 Antimony Isotope Half-life Spin Parity Mode(s) or Abundance108Sb 7.4 s (4+ ) %K+%β+=100, %Kp=? 109Sb 17.0 s (5/2+ ) %K+%β+=100 110Sb 23.0 s 3+ %K+%β+=100 111Sb 75 s (5/2+ ) %K+%β+=100 112Sb 51.4 s 3+ %K+%β+=100 113Sb 6.67 m 5/2+ %K+%β+=100 114Sb 3.49 m 3+ %K+%β+=100 115Sb 32.1 m 5/2+ %K+%β+=100116Sb 15.8 m 3+ %K+%β+=100 116m1Sb 60.3 m 8- %K+%β+=100 117Sb 2.80 h 5/2+ %K+%β+=100 118Sb 3.6 m 1+ %K+%β+=100 118m1Sb 5.00 h 8- %K+%β+=100 119Sb 38.19 h 5/2+ %K=100 119m1Sb 0.85 s (25/2+ ) %IT=100 120Sb 15.89 m 1+ %K+%β+=100 120m1Sb 5.76 d 8- %K+%β+=100 121Sb stable 5/2+ %Abundance=57.36122Sb 2.7238 d 2- %β-=97.59 , %K+%β+=2.41 122m1Sb 4.191 m (8) - %IT=100 123Sb stable 7/2+ %Abundance=42.64 124Sb 60.20 d 3- %β-=100 124m1Sb 93 s 5+ %IT=75 , %β-=25 124m2Sb 20.2 m (8) - %IT=100 125Sb 2.7582 a 7/2+ %β-=100 126Sb 12.46 d (8) - %β-=100 126m1Sb 19.15 m (5) + %β-=86 , %IT=14 126m2Sb 11 s (3) - %IT=100 127Sb 3.85 d 7/2+ %β-=100 128Sb 9.01 h 8- %β-=100 128m1Sb 10.4 m 5+ %β-=96.4 , %IT=3.6 129Sb 4.40 h 7/2+ %β-=100 129m1Sb 17.7 m (19/2-) %β-=85, %IT=15 130Sb 39.5 m (8-) %β-=100 130m1Sb 6.3 m (5) + %β-=100 131Sb 23.03 m (7/2+ ) %β-=100 132Sb 2.79 m (4+ ) %β-=100 132m1Sb 4.10 m (8-) %β-=100 133Sb 2.5 m (7/2+ ) %β-=100 134Sb 0.78 s (0- ) %β-=100 134m1Sb 10.23 s (7-) %β-=100, %β-n=0.091 135Sb 1.71 s (7/2+ ) %β-=100 , %β-n=16.4 136Sb 0.82 s %β-=100, %β-n=24.0, %β-2n=? Tellurium Isotope Half-life Spin Parity Mode(s) or Abundance106Te 60 μs 0+ %α=100 107Te 3.1 ms %α > 70, %K+%β+ < 30 108Te 2.1 s 0+ %K+%β+=51 , %α=49 , %β+P=2.4 109Te 4.6 s %K+%β+=96.1 , %α=3.9 , %Kp=? 110Te 18.6 s 0+ %K+%β+ ~ 100, %α ~ 0.003 111Te 19.3 s (5/2+ ) %K+%β+=100, %Kp=? 112Te 2.0 m 0+ %K+%β+=100 113Te 1.7 m (7/2+ ) %K+%β+=100 114Te 15.2 m 0+ %K+%β+=100 115Te 5.8 m 7/2+ %K+%β+=100 115m1Te 6.7 m (1/2) + %K+%β+ < 100, %IT=? 116Te 2.49 h 0+ %K+%β+=100 117Te 62 m 1/2+ %K+%β+=100 117m1Te 103 ms 11/2- %IT=100118Te 6.00 d 0+ %K=100 119Te 16.03 h 1/2+ %K+%β+=100119m1Te 4.70 d 11/2- %K+%β+=100, %IT < 0.008 120Te stable 0+ %Abundance=0.096 121Te 16.78 d 1/2+ %K+%β+=100 121m1Te 154 d 11/2- %IT=88.6 , %K+%β+=11.4 122Te stable 0+ %Abundance=2.603 123Te 1e+13 a 1/2+ %Abundance=0.908, %K=100 123m1Te 119.7 d 11/2- %IT=100 124Te stable 0+ %Abundance=4.816 125Te stable 1/2+ %Abundance=7.139 125m1Te 57.40 d 11/2- %IT=100 126Te stable 0+ %Abundance=18.95127Te 9.35 h 3/2+ %β-=100 127m1Te 109 d 11/2- %IT=97.6 , %β-=2.4 128Te 2.2e24 a 0+ %Abundance=31.69, %ββ=100 129Te 69.6 m 3/2+ %β-=100 129m1Te 33.6 d 11/2- %IT=63 , %β-=37 130Te 7.9e20 a 0+ %Abundance=33.80, %β- β -=100 131Te 25.0 m 3/2+ %β-=100 131m1Te 30 h 11/2- %β-=77.8 , %IT=22.2 132Te 3.204 d 0+ %β-=100 133Te 12.5 m (3/2+ ) %β-=100133m1Te 55.4 m (11/2-) %IT=17.5 , %β-=82.5 134Te 41.8 m 0+ %β-=100 135Te 19.0 s (7/2-) %β-=100 136Te 17.5 s 0+ %β-=100, %β-n=1.1 137Te 2.49 s (7/2-) %β-=100, %β-n=2.69 138Te 1.4 s 0+ %β-=100, %β-n=6.3 Iodine Isotope Half-life Spin Parity Mode(s) or Abundance108I 36 ms (1) %α=91 , %p < 1109I 100 μs %p ~ 100 110I 0.65 s %K+%β+=83 , %α=17 , %Kp=11 , %Kα=1.1 111I 2.5 s (5/2+ ) %K+%β+=99.9, %α ~ 0.1 112I 3.42 s %K+%β+=100, %α ~ 0.0012113I 6.6 s (5/2+ ) %K+%β+=100, %Kα=?, %α =3.310E-7 114I 2.1 s 1+ %K+%β+= 100, %Kp=? 114m1I 6.2 s (7) %K+%β+=?, %IT=? 115I 1.3 m (5/2+ ) %K+%β+=100 116I 2.91 s 1+ %K+%β+=100 116m1I 3.27 μs (7-) 117I 2.22 m (5/2) + %K+%β+=100 118I 13.7 m 2- %K+%β+=100 118m1I 8.5 m (7-) %K+%β+<100, %IT>0 119I 19.1 m 5/2+ %K+%β+=100 120I 81.0 m 2- %K+%β+=100 120m1I 53 m 4 to 8 %K+%β+=100 121I 2.12 h 5/2+ %K+%β+=100 122I 3.63 m 1+ %K+%β+=100 122m1I 80 μs 123I 13.27 h 5/2+ %K+%β+=100 124I 4.1760 d 2- %K+%β+=100 125I 59.408 d 5/2+ %K=100 126I 13.11 d 2- %K+%β+=56.3 , %β-=43.7 127I stable 5/2+ %Abundance=100 128I 24.99 m 1+ %β-=93.1 , %K+%β+=6.9 129I 1.57e7 a 7/2+ %β-=100 130I 12.36 h 5+ %β-=100 130m1I 9.0 m 2+ %IT=84 , %β-=16 131I 8.02070 d 7/2+ %β-=100 132I 2.295 h 4+ %β-=100 132m1I 1.387 h (8-) %IT=86 , %β-=14 133I 20.8 h 7/2+ %β-=100 133m1I 9 s (19/2-) %IT=100 134I 52.5 m (4) + %β-=100 134m1I 3.60 m (8) - %IT=97.7 , %β-=2.3 135I 6.57 h 7/2+ %β-=100 136I 83.4 s (1-) %β-=100 136m1I 46.9 s (6-) %β-=100 137I 24.5 s (7/2+ ) %β-=100, %β-n=6.97 138I 6.49 s (2-) %β-=100, %β-n=5.5 139I 2.29 s (7/2+ ) %β-=100, %β-n=9.9 140I 0.86 s (4) %β-=100 , %β-n=9.3 141I 0.43 s %β-=100, %β-n=21.2 Xenon Isotope Half-life Spin Parity Mode(s) or Abundance110Xe 0.60 μs 0+ %K+β+=?, %α=? 111Xe 0.74 s %K+%β+=?, %α=? 112Xe 2.7 s 0+ %K+%β+=99.2, %α=0.8 +11- 5 113Xe 2.74 s %K+%β+ ~ 100, %α ~ 0.011, %Kp=7 , %Kα ~ 0.007 114Xe 10.0 s 0+ %K+%β+=100 115Xe 18 s (5/2+ ) %K+%β+=100, %Kp=0.34 , %Kα=0.0003 116Xe 59 s 0+ %K+%β+=100 117Xe 61 s 5/2(+) %K+%β+=100, %Kp=0.0029 118Xe 3.8 m 0+ %K+%β+=100 119Xe 5.8 m (5/2+ ) %K+%β+=100 120Xe 40 m 0+ %K+%β+=100 121Xe 40.1 m 5/2(+) %K+%β+=100122Xe 20.1 h 0+ %K=100 123Xe 2.08 h (1/2) + %K+%β+=100 124Xe 1.6e+14 a 0+ %Abundance=0.10, %KEC=100 125Xe 16.9 h (1/2) + %K+%β+=100 125m1Xe 57 s (9/2) - %IT=100 126Xe stable 0+ %Abundance=0.09 127Xe 36.4 d 1/2+ %K=100 127m1Xe 69.2 s 9/2- %IT=100 128Xe stable 0+ %Abundance=1.91129Xe stable 1/2+ %Abundance=26.4 129m1Xe 8.88 d 11/2- %IT=100 130Xe stable 0+ %Abundance=4.1 131Xe stable 3/2+ %Abundance=21.2 131m1Xe 11.84 d 11/2- %IT=100 132Xe stable 0+ %Abundance=26.9 132m1Xe 8.39 ms (10+) %IT=100133Xe 5.243 d 3/2+ %β-=100 133m1Xe 2.19 d 11/2- %IT=100 134Xe stable 0+ %Abundance=10.4 134m1Xe 290 ms 7- %IT=100 135Xe 9.14 h 3/2+ %β-=100 135m1Xe 15.29 m 11/2- %IT=99.996 , %β-=0.004 136Xe 2.36e21 a 0+ %Abundance=8.9 137Xe 3.818 m 7/2- %β-=100 138Xe 14.08 m 0+ %β-=100 139Xe 39.68 s 3/2- %β-=100140Xe 13.60 s 0+ %β-=100 141Xe 1.73 s 5/2(-) %β-=100, %β-n=0.044 142Xe 1.22 s 0+ %β-=100, %β-n=0.406 143Xe 0.30 s 5/2- %β-=100 144Xe 1.15 s 0+ %β-=100 145Xe 0.9 s %β-=100, %β-n=? 146Xe 0+ %β-=100 Caesium Isotope Half-life Spin Parity Mode(s) or Abundance113Cs 17 μs (5/2+ ) %p ~ 100, %K+%β+ ~ 0.03 114Cs 0.57 s (1+ ) %K+%β+ ~ 100, %α=0.018 , %Kp=7 , %Kα=0.16 115Cs 1.4 s %K+%β+=100, %Kp ~ 0.07116Cs 3.84 s >4+ %K+%β+=100, %Kp=0.44 , %Kα=0.08 116m1Cs 0.70 s (1+ ) %K+%β+=100, %Kp=0.28 , %Kα=0.049 117Cs 8.4 s (9/2+ ) %K+%β+=100 117m1Cs 6.5 s (3/2+ ) %K+%β+=100 118Cs 14 s 2 %K+%β+=100, %Kp<4.2E-2 , %Kα<2.4E-3 118m1Cs 17 s (7-) %K+%β+=100, %Kp<4.2E-2 , %Kα<2.4E-3 119Cs 43.0 s 9/2+ %K+%β+=100 119m1Cs 30.4 s 3/2(+) %K+%β+=100 120Cs 64 s 2 %K+%β+=100 120m1Cs 57 s %K+%β+=100, %Kp=7E-6 , %Kα=2.0E-5 121Cs 155 s 3/2(+) %K+%β+=100 121m1Cs 122 s 9/2(+) %K+%β+=83, %IT=17 122Cs 21.0 s 1+ %K+%β+=100 122m1Cs 3.70 m 8- %K+%β+=100 122m2Cs 0.36 s (5) - %IT=100 123Cs 5.94 m 1/2+ %K+%β+=100123m1Cs 1.64 s (11/2) - %IT=100 124Cs 30.8 s 1+ %K+%β+=100 124m1Cs 6.3 s (7) + %IT=100 125Cs 45 m (1/2+ ) %K+%β+=100 126Cs 1.64 m 1+ %K+%β+=100 127Cs 6.25 h 1/2+ %K+%β+=100 128Cs 3.66 m 1+ %K+%β+=100 129Cs 32.06 h 1/2+ %K+%β+=100 130Cs 29.21 m 1+ %K+%β+=98.4, %β-=1.6130m1Cs 3.46 m 5- %IT=99.84 , %K+%β+=0.16 131Cs 9.689 d 5/2+ %K=100 132Cs 6.479 d 2+ %K+%β+=98.13 , %β-=1.87 133Cs stable 7/2+ %Abundance=100 134Cs 2.0648 a 4+ %β-=99.9997 , %K=0.0003 134m1Cs 2.903 h 8- %IT=100 135Cs 2.3e+6 a 7/2+ %β-=100 135m1Cs 53 m 19/2- %IT=100 136Cs 13.16 d 5+ %β-=100 136m1Cs 19 s 8- %IT=?, %β-=? 137Cs 30.07 a 7/2+ %β-=100 138Cs 33.41 m 3- %β-=100 138m1Cs 2.91 m 6- %β-=19 , %IT=81 139Cs 9.27 m 7/2+ %β-=100 140Cs 63.7 s 1- %β-=100 141Cs 24.94 s 7/2+ %β-=100, %β-n=0.029 142Cs 1.70 s 0- %β-=100, %β-n=0.091 143Cs 1.78 s 3/2+ %β-=100, %β-n=1.62 144Cs 1.01 s 1 %β-=100, %β-n=3.17 144m1Cs 1 s (GE 4) %β-=? 145Cs 0.594 s 3/2+ %β-=100, %β-n=13.8 146Cs 0.321 s 1- %β-=100 , %β-n=14.2 147Cs 0.225 s (3/2+ ) %β-=100, %β-n=43 148Cs 158 ms %β-=100, %β-n=25 Barium Isotope Half-life Spin Parity Mode(s) or Abundance114Ba 0.43 s 0+ %K+%β+ ~ 100, %α=?, %12C ~ 3E-5 115Ba 0.4 s %K+%β+=100 116Ba 0.3 s 0+ %K+%β+=100 117Ba 1.75 s (3/2) %K+%β+=100, %Kp=?, %Kα=? 118Ba 5.5 s 0+ %K+%β+=100 119Ba 5.4 s (5/2+ ) %K+%β+=100, %Kp < 25 120Ba 32 s 0+ %K+%β+=100 121Ba 29.7 s 5/2(+) %K+%β+=100, %Kp=0.02 122Ba 1.95 m 0+ %K+%β+=100 123Ba 2.7 m 5/2+ %K+%β+=100 124Ba 11.0 m 0+ %K+%β+=100 125Ba 3.5 m 1/2(+) %K+%β+=100 126Ba 100 m 0+ %K+%β+ =100 127Ba 12.7 m 1/2+ %K+%β+=100 127m1Ba 1.9 s 7/2- %IT=100 128Ba 2.43 d 0+ %K=100 129Ba 2.23 h 1/2+ %K+%β+=100129m1Ba 2.16 h 7/2+ %K+%β+ < 100, %IT=? 130Ba stable 0+ %Abundance=0.106 130m1Ba 11 ms 8- %IT=100 131Ba 11.50 d 1/2+ %K+%β+=100 131m1Ba 14.6 m 9/2- %IT=100 132Ba stable 0+ %Abundance=0.101 133Ba 10.51 a 1/2+ %K=100 133m1Ba 38.9 h 11/2- %K=0.0096 , %IT=99.9904 134Ba stable 0+ %Abundance=2.417 134m1Ba 2.63 μs (10+) 135Ba stable 3/2+ %Abundance=6.592 135m1Ba 28.7 h 11/2- %IT=100 136Ba stable 0+ %Abundance=7.854 136m1Ba 0.3084 s 7- %IT=100 137Ba stable 3/2+ %Abundance=11.23 137m1Ba 2.552 m 11/2- %IT=100 138Ba stable 0+ %Abundance=71.70 139Ba 83.06 m 7/2- %β-=100 140Ba 12.752 d 0+ %β-=100 141Ba 18.27 m 3/2- %β-=100 142Ba 10.6 m 0+ %β-=100 143Ba 14.33 s 5/2- %β-=100 144Ba 11.5 s 0+ %β-=100, %β-n=3.6 145Ba 4.31 s 5/2- %β-=100 146Ba 2.22 s 0+ %β-=100 147Ba 0.893 s (3/2+ ) %β-=100, %β-n=0.06 148Ba 0.607 s 0+ %β-=100, %β-n=0.4 149Ba 0.344 s %β-=100, %β-n=0.43 150Ba 0.3 s 0+ %β-=100, %β-n=? Lanthanum Isotope Half-life Spin Parity Mode(s) or Abundance120La 2.8 s %K+%β+=100 121La 5.3 s %K+%β+=100, %Kp=? 122La 8.7 s %K+%β+=100, %Kp=?123La 17 s %K+%β+=100 124La 29 s %K+%β+=100 124m1La 1 s %K+%β+=100 125La 76 s (11/2-) %K+%β+=100 126La 54 s %K+%β+=100 127La 5.1 m (11/2-) %K+%β+=100127m1La 3.7 m (3/2+ ) %K+%β+=100, %IT=? 128La 5.0 m (5+ ) %K+%β+=100 128m1La 560 ms (1+ , 2+ ) %K+%β+=100 129La 11.6 m 3/2+ %K+%β+=100 129m1La 0.56 s 11/2- %IT=100 130La 8.7 m 3(+) %K+%β+=100 131La 59 m 3/2+ %K+%β+=100 132La 4.8 h 2- %K+%β+=100 132m1La 24.3 m 6- %IT=76, %K+%β+=24133La 3.912 h 5/2+ %K+%β+=100 134La 6.45 m 1+ %K+%β+=100 135La 19.5 h 5/2+ %K+%β+=100 136La 9.87 m 1+ %K+%β+=100 136m1La 114 ms %IT=100 137La 6e4 a 7/2+ %K=100 138La 1.05e+11 a 5+ %Abundance=0.0902, %β-=33.6 , %K+%β+=66.4 139La stable 7/2+ %Abundance=99.9098 140La 1.6781 d 3- %β-=100 141La 3.92 h (7/2+ ) %β-=100 142La 91.1 m 2- %β-=100 143La 14.2 m (7/2) + %β-=100 144La 40.8 s (3-) %β-=100 145La 24.8 s (5/2+ ) %β-=100 146La 6.27 s 2- %β-=100 146m1La 10.0 s (6-) %β-=100 147La 4.015 s (5/2+ ) %β-=100, %β-n=0.035 148La 1.05 s (2-) %β-=100 , %β-n=0.11 149La 1.05 s %β-=100, %β-n=1.43 150La 0.86 s %β-=100, %β-n=2.7 Cerium Isotope Half-life Spin Parity Mode(s) or Abundance123Ce 3.2 s (5/2) %K+%β+=100, %Kp=? 124Ce 6 s 0+ %K+%β+=100 125Ce 9.0 s (5/2+ ) %K+%β+=100, %Kp=? 126Ce 50 s 0+ %K+%β+=100 127Ce 31 s (5/2+ ) %K+%β+=100 128Ce 4.1 s 0+ %K+%β+=100 129Ce 3.5 m 5/2+ %K+%β+=100 130Ce 25 m 0+ %K+%β+=100 131Ce 10.2 m (7/2+ ) %K+%β+=100 131m1Ce 5.0 m (1/2+ ) %K+%β+=100 132Ce 3.51 h 0+ %K+%β+=100 132m1Ce 13 ms (8- ,9-) %IT=100 133Ce 97 m 1/2+ %K+%β+=100 133m1Ce 4.9 h 9/2- %K+%β+=100 134Ce 3.16 d 0+ %K=100 135Ce 17.7 h 1/2(+) %K+%β+=100 135m1Ce 20 s 11/2(-) %IT=100 136Ce stable 0+ %Abundance=0.19 137Ce 9.0 h 3/2+ %K+%β+=100 137m1Ce 34.4 h 11/2- %IT=99.22 , %K+%β+=0.78 138Ce stable 0+ %Abundance=0.25 138m1Ce 8.65 ms 7- %IT=100139Ce 137.640 d 3/2+ %K=100 139m1Ce 54.8 s 11/2- %IT=100 140Ce stable 0+ %Abundance=88.48 141Ce 32.501 d 7/2- %β-=100 142Ce 5e+16 a 0+ %Abundance=11.08 143Ce 33.039 h 3/2- %β-=100 144Ce 284.893 d 0+ %β-=100 145Ce 3.01 m (3/2) - %β-=100 146Ce 13.52 m 0+ %β-=100 147Ce 56.4 s (5/2-) %β-=100 148Ce 56 s 0+ %β-=100 149Ce 5.3 s (3/2-) %β-=100 150Ce 4.0 s 0+ %β-=100 151Ce 1.02 s %β-=100 152Ce 1.4 s 0+ %β-=100 Praesodymium Isotope Half-life Spin Parity Mode(s) or Abundance124Pr 1.2 s %K+%β+=100, %Kp=? 125Pr 3.3 s %K+%β+=100 126Pr 3.14 s (3,4,5) %K+%β+=100, %Kp=? 127Pr 4.2 s (11/2-) %K+%β+=100 128Pr 3.1 s 4,5,6 %K+%β+=100, %Kp=? 129Pr 30 s (3/2+ ) %K+%β+=100 130Pr 40.0 s %K+%β+=100 131Pr 1.53 m (3/2+ ) %K+%β+=100 131m1Pr 5.7 s (11/2-) %IT=95 , %K+%β+=5 132Pr 1.6 m %K+%β+=100 133Pr 6.5 m (3/2+ ) %K+%β+=100 134Pr 17 m 2- %K+%β+=100 134m1Pr 11 m (5-) %K+%β+=100 135Pr 24 m 3/2(+) %K+%β+=100 136Pr 13.1 m 2+ %K+%β+=100 137Pr 1.28 h 5/2+ %K+%β+=100 138Pr 1.45 m 1+ %K+%β+=100 138m1Pr 2.12 h 7- %K+%β+=100 139Pr 4.41 h 5/2+ %K+%β+=100 140Pr 3.39 m 1+ %K+β+=100 141Pr stable 5/2+ %Abundance=100 142Pr 19.12 h 2- %β-=99.9836 , %K=0.0164 142m1Pr 14.6 m 5- %IT=100 143Pr 13.57 d 7/2+ %β-=100 144Pr 17.28 m 0- %β-=100 144m1Pr 7.2 m 3- %IT=99.93, %β-=0.07145Pr 5.984 h 7/2+ %β-=100 146Pr 24.15 m (2) - %β-=100 147Pr 13.4 m (3/2+ ) %β-=100 148Pr 2.27 m 1- %β-=100 148m1Pr 2.0 m (4) %β-=100 149Pr 2.26 m (5/2+ ) %β-=100 150Pr 6.19 s (1) - %β-=100 151Pr 18.90 s (3/2-) %β-=100 152Pr 3.63 s (4-) %β-=100 153Pr 4.28 s %β-=100 154Pr 2.3 s (3+ , 2+ ) %β-=100 Neodymium Isotope Half-life Spin Parity Mode(s) or Abundance127Nd 1.8 s %K+%β+=100, %Kp=? 128Nd 4 s 0+ %K+%β+=100, %Kp=? 129Nd 7 s (5/2+ ) %K+%β+=100, %Kp=? 130Nd 28 s 0+ %K+%β+=100 131Nd 27 s (5/2) %K+%β+=100 , %Kp=? 132Nd 1.75 m 0+ %β+=100 133Nd 70 s (7/2+ ) %K+%β+=100 133m1Nd 70 s (1/2) + %K+%β+=?, %IT=? 134Nd 8.5 m 0+ %K+%β+=100 134m1Nd 410 μs (8) - 135Nd 12.4 m 9/2(-) %K+%β+=100 135m1Nd 5.5 m (1/2+ ) %K+%β+=100136Nd 50.65 m 0+ %K+%β+=100 137Nd 38.5 m 1/2+ %K+%β+=100 137m1Nd 1.60 s 11/2- %IT=100138Nd 5.04 h 0+ %K=100 139Nd 29.7 m 3/2+ %K+%β+=100139m1Nd 5.50 h 11/2- %K+%β+=88.2 , %IT=11.8 140Nd 3.37 d 0+ %K=100 141Nd 2.49 h 3/2+ %K+%β+=100 141m1Nd 62.0 s 11/2- %IT > 99.95, %K+%β+ < 0.05 142Nd stable 0+ %Abundance=27.13 143Nd stable 7/2- %Abundance=12.18 144Nd 2.29e+15 a 0+ %Abundance=23.80, %α=100145Nd stable 7/2- %Abundance=8.30 146Nd stable 0+ %Abundance=17.19 147Nd 10.98 d 5/2- %β-=100 148Nd stable 0+ %Abundance=5.76 149Nd 1.728 h 5/2- %β-=100 150Nd 1.1e19 a 0+ %Abundance=5.64, %β- β-=? 151Nd 12.44 m 3/2+ %β-=100152Nd 11.4 m 0+ %β-=100 153Nd 31.6 s (3/2) - %β-=100 154Nd 25.9 s 0+ %β-=100 155Nd 8.9 s %β-=100 156Nd 5.47 s 0+ %β-=100 Promethium Isotope Half-life Spin Parity Mode(s) or Abundance132Pm 6.3 s (3+ ) %K+%β+=100 , %Kp ~ 5E-5133Pm 3/2+ %K+%β+=100133m1Pm 15 s 11/2- %K+%β+=100, %IT=?134Pm 5 s (2+ ) %K+%β+=100 134m1Pm 22 s (5+ ) %K+%β+=100135Pm 45 s (11/2-) %K+%β+=100 135m1Pm 49 s (3/2+ , 5/2+ ) %K+%β+=100136Pm 47 s (2+ ) %K+%β+=100 136m1Pm 107 s (5-) %K+%β+=100137Pm 2.4 m 11/2- %K+%β+=100 138Pm 10 s 1+ %K+%β+=100 138m1Pm 3.24 m (5-) %K+%β+=?, %IT=? 139Pm 4.15 m (5/2) + %K+%β+=100 139m1Pm 180 ms (11/2) - %IT=99.94 +5-20, %K+%β+=0.06 +20-5 140Pm 9.2 s 1+ %K+%β+=100 140m1Pm 5.95 m 7- %K+%β+=100 140m2Pm 5.95 m 8- %K+%β+=100 141Pm 20.90 m 5/2+ %K+%β+=100 142Pm 40.5 s 1+ %K+%β+=100 142m1Pm 2.0 ms (8) - %IT=100 143Pm 265 d 5/2+ %K+%β+=100144Pm 363 d 5- %K+%β+=100 145Pm 17.7 a 5/2+ %K=100, %α=2.8E-7 146Pm 5.53 a 3- %K=66.0 , %β-=34.0 147Pm 2.6234 a 7/2+ %β-=100 148Pm 5.370 d 1- %β-=100 148m1Pm 41.29 d 6- %β-=95.0 , %IT=5.0 149Pm 53.08 h 7/2+ %β-=100 150Pm 2.68 h (1-) %β-=100 151Pm 28.40 h 5/2+ %β-=100152Pm 4.12 m 1+ %β-=100 152m1Pm 7.52 m 4- %β-=100 152m2Pm 13.8 m (8) %β- < 100, %IT > 0153Pm 5.25 m 5/2- %β-=100 154Pm 1.73 m (0,1) %β-=100 154m1Pm 2.68 m (3,4) %β-=100 155Pm 41.5 s (5/2-) %β-=100 156Pm 26.70 s 4(-) %β-=100 157Pm 10.56 s (5/2-) %β-=100 158Pm 4.8 s %β-=100 Samarium Isotope Half-life Spin Parity Mode(s) or Abundance131Sm 1.2 s %K+%β+=100, %Kp=? 132Sm 4.0 s 0+ %K+%β+=100 , %Kp=? 133Sm 3.7 s (5/2+ ) %K+%β+=100, %Kp=? 134Sm 10 s 0+ %K+%β+=100 135Sm 10.3 s (7/2+ ) %K+%β+=100, %Kp=0.02 136Sm 47 s 0+ %K+%β+=100 137Sm 45 s (9/2-) %K+%β+=100 138Sm 3.1 m 0+ %K+%β+=100 139Sm 2.57 m (1/2) + %K+%β+=100 139m1Sm 10.7 s (11/2) - %IT=93.7 , %K+%β+=6.3 140Sm 14.82 m 0+ %K+%β+=100 141Sm 10.2 m 1/2+ %K+%β+=100 141m1Sm 22.6 m 11/2- %K+%β+=99.69 , %IT=0.31 142Sm 72.49 m 0+ %K+%β+=100 143Sm 8.83 m 3/2+ %K+%β+=100 143m1Sm 66 s 11/2- %IT=99.76 , %K+%β+=0.24 143m2Sm 30 ms 23/2(-) %IT=100 144Sm stable 0+ %Abundance=3.1 145Sm 340 d 7/2- %K=100 146Sm 1.03e8 a 0+ %α=100 147Sm 1.06e+11 a 7/2- %Abundance=15.0, %α=100 148Sm 7e+15 a 0+ %Abundance=11.3 , %α=100 149Sm 2e+15 a 7/2- %Abundance=13.8 150Sm stable 0+ %Abundance=7.4 151Sm 90 a 5/2- %β-=100 152Sm stable 0+ %Abundance=26.7 153Sm 46.284 h 3/2+ %β-=100 153m1Sm 10.6 ms 11/2- %IT=100 154Sm stable 0+ %Abundance=22.7 155Sm 22.3 m 3/2- %β-=100 156Sm 9.4 h 0+ %β-=100 157Sm 482 s (3/2-) %β-=100 158Sm 5.30 m 0+ %β-=100 159Sm 11.37 s (5/2-) %β-=100160Sm 9.6 s 0+ %β-=100 Europium Isotope Half-life Spin Parity Mode(s) or Abundance134Eu 0.5 s %K+%β+=100, %Kp > 0 135Eu 1.5 s %K+%β+=100, %Kp=? 136Eu 3.3 s (7+ ) %K+%β+=100, %Kp=0.09 136m1Eu 3.7 s (3+ ) %K+%β+=100, %Kp=0.09 137Eu 11 s (11/2-) %K+%β+=100 138Eu 12.1 s (6-) %K+%β+=100 139Eu 17.9 s (11/2) - %K+%β+=100 140Eu 1.51 s 1+ %K+%β+=100 140m1Eu 125 ms (5-) %IT=100 , %K+%β+ < 1 141Eu 40.7 s 5/2+ %K+%β+=100 141m1Eu 2.7 s 11/2- %K+%β+=13 +4-2 , %IT=87 +2-4 142Eu 2.34 s 1+ %K+%β+=100 142m1Eu 1.22 m 8- %K+%β+=100 143Eu 2.63 m 5/2+ %K+%β+=100 144Eu 10.2 s 1+ %K+%β+=100 145Eu 5.93 d 5/2+ %K+%β+=100 146Eu 4.61 d 4- %K+%β+=100 147Eu 24.1 d 5/2+ %K+β+=100, %α=0.0022 148Eu 54.5 d 5- %K+%β+=100, %α=9.4E-7 149Eu 93.1 d 5/2+ %K=100 150Eu 36.9 a 5(-) %K+%β+=100 150m1Eu 12.8 h 0- %K+%β+=11 , %β-=89 , %IT < 5E-8 151Eu stable 5/2+ %Abundance=47.8 152Eu 13.537 a 3- %K=72.1 , %β-=27.9 152m1Eu 9.3116 h 0- %K+%β+=28 , %β-=72 152m2Eu 96 m 8- %IT=100 153Eu stable 5/2+ %Abundance=52.2 154Eu 8.593 a 3- %β-=99.98 , %K+%β+=0.02 154m1Eu 46.3 m (8-) %IT=100155Eu 4.7611 a 5/2+ %β-=100 156Eu 15.19 d 0+ %β-=100 157Eu 15.18 h 5/2+ %β-=100 158Eu 45.9 m (1-) %β-=100 159Eu 18.1 m 5/2+ %β-=100 160Eu 38 s 1(-) %β-=100 161Eu 26 s %β-=100 162Eu 10.6 s %β-=100 Gadolinium Isotope Half-life Spin Parity Mode(s) or Abundance139Gd 4.9 s 9/2- %K+%β+=?, %β+P=? 140Gd 15.8 s 0+ %K+%β+=100 141Gd 14 s (1/2+ ) %K+%β+=100, %Kp=0.03 141m1Gd 24.5 s (11/2-) %K+%β+=89 , %IT=11 142Gd 70.2 s 0+ %K+%β+=100 143Gd 39 s (1/2) + %K+%β+=100, %Kp < 0.001 143m1Gd 112 s (11/2-) %K+%β+=100 144Gd 4.5 m 0+ %K+%β+=100 145Gd 23.0 m 1/2+ %K+%β+=100 145m1Gd 85 s 11/2- %IT=94.3 , %K+%β+=5.7 146Gd 48.27 d 0+ %K=100 147Gd 38.06 h 7/2- %K+%β+=100 148Gd 74.6 a 0+ %α=100 149Gd 9.28 d 7/2- %K+%β+=100, %α=4.3E-4 150Gd 1.79e6 a 0+ %α=100 151Gd 124 d 7/2- %K=100, %α ~ 8E-7 152Gd 1.08e14 a 0+ %Abundance=0.20, %α=100 153Gd 240.4 d 3/2- %K=100 154Gd stable 0+ %Abundance=2.18 155Gd stable 3/2- %Abundance=14.80 155m1Gd 31.97 ms 11/2- %IT=100 156Gd stable 0+ %Abundance=20.47 157Gd stable 3/2- %Abundance=15.65 158Gd stable 0+ %Abundance=24.84 159Gd 18.479 h 3/2- %β-=100 160Gd stable 0+ %Abundance=21.86 161Gd 3.66 m 5/2- %β-=100 162Gd 8.4 m 0+ %β-=100 163Gd 68 s (5/2-) %β-=100 164Gd 45 s 0+ %β-=100 Terbium Isotope Half-life Spin Parity Mode(s) or Abundance140Tb 2.4 s 5 %K+%β+=100, %p=0.26 141Tb 3.5 s (5/2-) %K+%β+=100 142Tb 597 ms 1+ %K+%β+=100 , %Kp=0.0022 142m1Tb 303 ms (5-) %IT=100, %K+%β+ < 0.5 143Tb 12 s (11/2-) %K+%β+=100 143m1Tb 21 s (5/2+ ) 144Tb 1 s (1+ ) %K+%β+=100 144m1Tb 4.25 s (6-) %IT=66 , %K+%β+=34145Tb (1/2+ ) 145m1Tb 29.5 s (11/2-) %K+%β+=100 146Tb 8 s 1+ %K+%β+=100 146m1Tb 23 s 5- %K+%β+=100 146m2Tb 1.18 ms (10+) %IT=100 147Tb 1.7 h (1/2+ ) %K+%β+=100 147m1Tb 1.83 m (11/2) - %K+%β+=100 148Tb 60 m 2- %K+%β+=100 148m1Tb 2.20 m 9+ %K+%β+=100 149Tb 4.118 h 1/2+ %K+%β+=83.3 , %α=16.7 149m1Tb 4.16 m 11/2- %K+%β+=99.978 , %α=0.022 150Tb 3.48 h (2-) %K+%β+=100, %α<0.05 150m1Tb 5.8 m 9+ %K+%β+=100 151Tb 17.609 h 1/2(+) %K+%β+=100 , %α=9.5E-3 151m1Tb 25 s (11/2-) %IT=93.8 , %K+%β+=6.2 152Tb 17.5 h 2- %K+%β+=100, %α < 7E-7 152m1Tb 4.2 m 8+ %IT=78.8 , %K+%β+=21.2 153Tb 2.34 d 5/2+ %K+%β+=100 154Tb 21.5 h 0 %K+%β+=100, %β- < 0.1154m1Tb 9.4 h 3- %K+%β+=78.2 , %IT=21.8 , %β- < 0.1 154m2Tb 22.7 h 7- %K+%β+=98.2 , %IT=1.8 154m3Tb 513 ns 155Tb 5.32 d 3/2+ %K=100 156Tb 5.35 d 3- %K+%β+=100 , %β-=?156m1Tb 24.4 h (7-) %IT=100 156m2Tb 5.3 h (0+) %IT=?, %K+%β+=? 157Tb 71 a 3/2+ %K=100 158Tb 180 a 3- %K+%β+=83.4 , %β-=16.6 158m1Tb 10.70 s 0- %IT=100, %β- < 0.6, %K+%β+ < 0.01 159Tb stable 3/2+ %Abundance=100 160Tb 72.3 d 3- %β-=100 161Tb 6.88 d 3/2+ %β-=100 162Tb 7.60 m 1- %β-=100 163Tb 19.5 m 3/2+ %β-=100 164Tb 3.0 m (5+ ) %β-=100 165Tb 2.11 m (3/2+ ) %β-=100 Dysprosium Isotope Half-life Spin Parity Mode(s) or Abundance141Dy 0.9 s (9/2-) %K+%β+=100 , %Kp=? 142Dy 2.3 s 0+ %K+%β+=100, %Kp=0.06 143Dy 4.1 s (1/2+ ) %K+%β+=100, %Kp=? 144Dy 9.1 s 0+ %K+%β+=100, %Kp=? 145Dy 10 s (1/2+ ) %K+%β+=100 145m1Dy 13.6 s (11/2-) %K+%β+=100 146Dy 29 s 0+ %K+%β+=100 146m1Dy 150 ms (10+) %IT=100 147Dy 40 s 1/2+ %K+%β+=100, %Kp=? 147m1Dy 55 s 11/2- %K+%β+=65 , %IT=35 148Dy 3.1 m 0+ %K+%β+=100 149Dy 4.20 m (7/2-) %K+%β+=100 149m1Dy 490 ms (27/2-) %IT=99.3 , %K+%β+=0.7 150Dy 7.17 m 0+ %α=36 , %K+%β+=64 151Dy 17.9 m 7/2(-) %K+%β+=94.4 , %α=5.6 152Dy 2.38 h 0+ %α=0.100 , %K=99.900 153Dy 6.4 h 7/2(-) %K+%β+=99.9906 , %α=0.0094 154Dy 3.0e+6 a 0+ %α=100 155Dy 9.9 h 3/2- %K+%β+=100156Dy stable 0+ %Abundance=0.06 157Dy 8.14 h 3/2- %K+%β+=100157m1Dy 21.6 ms 11/2- %IT=100 158Dy stable 0+ %Abundance=0.10 159Dy 144.4 d 3/2- %K=100 160Dy stable 0+ %Abundance=2.34 161Dy stable 5/2+ %Abundance=18.9 162Dy stable 0+ %Abundance=25.5163Dy stable 5/2- %Abundance=24.9164Dy stable 0+ %Abundance=28.2 165Dy 2.334 h 7/2+ %β-=100 165m1Dy 1.257 m 1/2- %IT=97.76 , %β-=2.24 166Dy 81.6 h 0+ %β-=100167Dy 6.20 m (1/2-) %β-=100 168Dy 8.7 m 0+ %β-=100 169Dy 39 s (5/2-) %β-=100 Holmium Isotope Half-life Spin Parity Mode(s) or Abundance144Ho 0.7 s %K+%β+=100, %Kp=? 145Ho 2.4 s (11/2-) %K+%β+=100 146Ho 3.6 s (10+) %K+%β+=100, %Kp=? 147Ho 5.8 s (11/2-) %K+%β+=100, %Kp=? 148Ho 2.2 s 1+ %K+%β+=100 148m1Ho 9.59 s 6- %K+%β+=100, %Kp=0.08 148m2Ho 2.35 ms (10+) %IT=100 149Ho 21.1 s (11/2-) %K+%β+=100 149m1Ho 56 s (1/2+ ) %K+%β+=100 150Ho 72 s 2- %K+%β+=100150m1Ho 23.3 s (9) + %K+%β+=100 151Ho 35.2 s (11/2-) %K+%β+=78 , %α=22 151m1Ho 47.2 s (1/2+ ) %α=80 +15-20, %K+%β+=20 +20- 15 152Ho 161.8 s 2- %α=12 , %K+%β+=88 152m1Ho 50.0 s 9+ %α=10.8 , %K+%β+=89.2 153Ho 2.01 m 11/2- %K+%β+=99.949 , %α=0.051 153m1Ho 9.3 m 1/2+ %K+%β+=99.82 , %α=0.18 154Ho 11.76 m (2) - %K+%β+=99.981 , %α=0.019 154m1Ho 3.10 m 8+ %K+%β+=100, %α < 0.001 155Ho 48 m 5/2+ %K+%β+=100 156Ho 56 m (4+ ) %K+%β+=100 156m1Ho 9.5 s (1+ ) %IT=?, %K+%β+=? 157Ho 12.6 m 7/2- %K+%β+=100 158Ho 11.3 m 5+ %K+%β+=100 158m1Ho 28 m 2- %K+%β+ < 19, %IT > 81 158m2Ho 21.3 m (9+ ) %K+%β+ > 93, %IT < 7 159Ho 33.05 m 7/2- %K+%β+=100 159m1Ho 8.30 s 1/2+ %IT=100 160Ho 25.6 m 5+ %K+%β+=100 160m1Ho 5.02 h 2- %IT=65 , %K+%β+=35 160m2Ho 3 s (9+ ) %IT=100 161Ho 2.48 h 7/2- %K=100 161m1Ho 6.76 s 1/2+ %IT=100162Ho 15.0 m 1+ %K+%β+=100 162m1Ho 67.0 m 6- %IT=62, %K+%β+=38 163Ho 4570 a 7/2- %K=100163m1Ho 1.09 s 1/2+ %IT=100 164Ho 29 m 1+ %K=60 , %β-=40 164m1Ho 37.5 m 6- %IT=100 165Ho stable 7/2- %Abundance=100166Ho 26.83 h 0- %β-=100 166m1Ho 1.20e3 a (7) - %β-=100 167Ho 3.1 h 7/2- %β-=100 168Ho 2.99 m 3+ %β-=100 168m1Ho 132 s (6+ ) %IT > 99.5, %β- < 0.5 169Ho 4.7 m 7/2- %β-=100 170Ho 2.76 m (6+ ) %β-=100 170m1Ho 43 s (1+ ) %β-=100 171Ho 53 s (7/2-) %β-=100 172Ho 25 s %β-=100 Erbium Isotope Half-life Spin Parity Mode(s) or Abundance145Er 0.9 s (11/2-) %K+%β+=100, %Kp=? 146Er 1.7 s 0+ %K+%β+=100, %Kp=? 147Er 2.5 s (11/2-) %K+%β+=100, %Kp=? 147m1Er 2.5 s (1/2+ ) %K+%β+=100, %Kp=? 148Er 4.6 s 0+ %K+%β+=100, %Kp ~ 0.15 149Er 4 s (1/2+ ) %K+%β+=100, %Kp=7 149m1Er 8.9 s (11/2-) %K+%β+=96.5 , %IT=3.5 , %Kp=0.18 150Er 18.5 s 0+ %K+%β+=100 151Er 23.5 s (7/2-) %K+%β+=100 151m1Er 0.58 s (27/2-) %IT=95.3 , %K+%β+=4.7 152Er 10.3 s 0+ %K+%β+=10 , %α=90 153Er 37.1 s (7/2-) %α=53 , %K+%β+=47 154Er 3.73 m 0+ %K+%β+=99.53 , %α=0.47 155Er 5.3 m 7/2- %K+%β+=99.978 , %α=0.022 156Er 19.5 m 0+ %K+%β+=100 157Er 18.65 m 3/2- %K+%β+=100157m1Er 76 ms (9/2+ ) %IT=100 158Er 2.29 h 0+ %K=100 159Er 36 m 3/2- %K+%β+=100160Er 28.58 h 0+ %K=100 161Er 3.21 h 3/2- %K+%β+=100 162Er stable 0+ %Abundance=0.14 163Er 75.0 m 5/2- %K+%β+=100 164Er stable 0+ %Abundance=1.61 165Er 10.36 h 5/2- %K=100 166Er stable 0+ %Abundance=33.6 167Er stable 7/2+ %Abundance=22.95167m1Er 2.269 s 1/2- %IT=100 168Er stable 0+ %Abundance=26.8 169Er 9.40 d 1/2- %β-=100 170Er stable 0+ %Abundance=14.9171Er 7.516 h 5/2- %β-=100 172Er 49.3 h 0+ %β-=100 173Er 1.4 m (7/2-) %β-=100 174Er 3.3 m 0+ %β-=100 175Er 1.2 m (9/2+ ) %β-=100 Thullium Isotope Half-life Spin Parity Mode(s) or Abundance146Tm 235 ms (10+) %K+%β+ ~ 55, %p ~ 45 146m1Tm 72 ms (5- ,6-) %p=100, %K+%β+=? 147Tm 0.56 s (11/2-) %K+%β+ ~ 90, %p ~ 10 147m1Tm 360 μs (1/2+,3/2+ ) 148Tm 0.7 s (10+ ) %K+%β+=100 149Tm 0.9 s (11/2-) %K+%β+=100, %Kp=0.2 +2-1 150Tm 2.2 s (6-) %K+%β+=100, %Kp=1.2 150m1Tm 5.2 ms (10+) %IT=100 151Tm 4.17 s (11/2-) %K+%β+=100 151m1Tm 6.6 s (1/2+ ) %K+%β+=100 152Tm 8.0 s (2) - %K+%β+=100 152m1Tm 5.2 s (9) + %K+%β+=100 153Tm 1.48 s (11/2-) %α=91 , %K+%β+=9 153m1Tm 2.5 s (1/2+ ) %α=92 , %K+%β+=8 154Tm 8.1 s (2-) %K+%β+=56 , %α=44 154m1Tm 3.30 s (9+ ) %α=90 sys%K+%β+=10 sys%IT=?155Tm 21.6 s (11/2-) %K+%β+=98.1 , %α=1.9 155m1Tm 45 s (1/2+ ) %K+%β+>92, %α<8 156Tm 83.8 s 2- %K+%β+=99.936 , %α=0.064 156m1Tm 19 s %α=? 157Tm 3.63 m 1/2+ %K+%β+=100 158Tm 3.98 m 2- %K+%β+=100 158m1Tm 20 ns (5+ ) 158m2Tm 16 ns (9-) 159Tm 9.13 m 5/2+ %K+%β+=100 160Tm 9.4 m 1- %K+%β+=100 160m1Tm 74.5 s 5 %K+%β+=15 , %IT=85 161Tm 33 m 7/2+ %K+%β+=100 162Tm 21.70 m 1- %K+%β+=100162m1Tm 24.3 s 5+ %IT=82 , %K+%β+=18 163Tm 1.810 h 1/2+ %K+%β+=100 164Tm 2.0 m 1+ %K+%β+=100 164m1Tm 5.1 m 6- %IT ~ 80, %K+%β+ ~ 20165Tm 30.06 h 1/2+ %K+%β+=100 166Tm 7.70 h 2+ %K+%β+=100 166m1Tm 350 ms 6- %IT=100 167Tm 9.25 d 1/2+ %K=100 168Tm 93.1 d 3(+) %K+%β+=99.990 , %β-=0.010 169Tm stable 1/2+ %Abundance=100 170Tm 128.6 d 1- %K=0.131 , %β-=99.869 171Tm 1.92 a 1/2+ %β-=100 172Tm 63.6 h 2- %β-=100 173Tm 8.24 h (1/2+ ) %β-=100 174Tm 5.4 m (4) - %β-=100 175Tm 15.2 m 1/2+ %β-=100 176Tm 1.9 m (4+ ) %β-=100 177Tm 85 s (1/2+ ) %β-=100 Ytterbium Isotope Half-life Spin Parity Mode(s) or Abundance151Yb 1.6 s (1/2+ ) %K+%β+=100, %Kp=? 151m1Yb 1.6 s (11/2-) %K+%β+ ~ 100, %Kp=? 152Yb 3.04 s 0+ %K+%β+=100, %Kp=? 153Yb 4.2 s 7/2- %α=50 sys %K+%β+=50 sys 154Yb 0.409 s 0+ %α=92.6 , %K+%β+=7.4 155Yb 1.800 s (7/2-) %α=89 , %K+%β+=11 156Yb 26.1 s 0+ %K+%β+=90 , %α=10 157Yb 38.6 s 7/2- %K+%β+=99.5, %α=0.5 158Yb 1.49 m 0+ %α ~ 0.0021 , %K+%β+=100 159Yb 1.58 m 5/2(-) %K+%β+=100 160Yb 4.8 m 0+ %K+%β+=100 161Yb 4.2 m 3/2- %K+%β+=100 162Yb 18.87 m 0+ %K+%β+=100163Yb 11.05 m 3/2- %K+%β+=100 164Yb 75.8 m 0+ %K=100 165Yb 9.9 m 5/2- %K+%β+=100 166Yb 56.7 h 0+ %K=100 167Yb 17.5 m 5/2- %K+%β+=100 168Yb stable 0+ %Abundance=0.13 169Yb 32.026 d 7/2+ %K=100 169m1Yb 46 s 1/2- %IT=100 170Yb stable 0+ %Abundance=3.05 171Yb stable 1/2- %Abundance=14.3 171m1Yb 5.25 ms 7/2+ %IT=100 172Yb stable 0+ %Abundance=21.9173Yb stable 5/2- %Abundance=16.12 174Yb stable 0+ %Abundance=31.8 175Yb 4.185 d 7/2- %β-=100 175m1Yb 68.2 ms 1/2- %IT=100 176Yb stable 0+ %Abundance=12.7176m1Yb 11.4 s (8-) %IT > 90, %β- < 10 177Yb 1.911 h (9/2+ ) %β-=100 177m1Yb 6.41 s (1/2-) %IT=100 178Yb 74 m 0+ %β-=100 179Yb 8.0 m (1/2-) %β-=100 180Yb 2.4 m 0+ %β-=100 Lutetium Isotope Half-life Spin Parity Mode(s) or Abundance150Lu 35 ms %p=80 , %K+%β+=20 151Lu 88 ms (11/2-) %p=70 152Lu 0.7 s (5- ,6-) %K+%β+=100, %Kp=15 153Lu 0.9 s 11/2- %α ~ 70 , %K+%β+ ~ 30 154Lu (2-) 154m1Lu 1.12 s (9+ ) %K+%β+ ~ 100 154m2Lu 35 μs (17+ ) 155Lu 140 ms (1/2+ , 3/2+ ) %α=? 155m1Lu 68 ms (11/2-) %α=79 , %K+%β+=21 155m2Lu 2.60 ms (25/2-) %α ~ 100 156Lu 198 ms (9+ ) %α ~ 95 , %K+%β+=5 156m1Lu 494 ms (2-) %α=79 , %K+%β+=21 157Lu 6.8 s (1/2+ , 3/2+ ) %α > 0 157m1Lu 4.79 s (11/2-) %α=6 , %K+%β+=94 158Lu 10.6 s %α=0.91 , %K+%β+=99.09 159Lu 12.1 s %K+%β+=99.96 sys%α=0.04 sys 160Lu 36.1 s %K+%β+=100, %α < 1E-4 160m1Lu 40 s %K+%β+ < 100, %α=?161Lu 77 s (5/2+ ) %K+%β+=100 161m1Lu 7.3 ms (9/2-) %IT=100 162Lu 1.37 m (1-) %K+%β+=100 162m1Lu 1.5 m (4-) %K+%β+ < 100 162m2Lu 1.9 m %K+%β+ < 100 163Lu 238 s (1/2-) %K+%β+=100164Lu 3.14 m %K+%β+=100 165Lu 10.74 m (7/2+ ) %K+%β+=100165m1Lu 12 m 1/2+ 166Lu 2.65 m (6-) %K+%β+=100 166m1Lu 1.41 m (3-) %K+%β+=58 , %IT=42 166m2Lu 2.12 m (0- ) %K+%β+>80, %IT<20 167Lu 51.5 m 7/2+ %K+%β+=100 168Lu 5.5 m (6-) %K+%β+=100 168m1Lu 6.7 m 3+ %K+%β+ > 95, %IT < 5 169Lu 34.06 h 7/2+ %K+%β+=100 169m1Lu 160 s 1/2- %IT=100 170Lu 2.012 d 0+ %K+%β+=100 170m1Lu 0.67 s (4) - %IT=100 171Lu 8.24 d 7/2+ %K+%β+=100171m1Lu 79 s 1/2- %IT=100 172Lu 6.70 d 4- %K+%β+=100172m1Lu 3.7 m 1- %IT=100 173Lu 1.37 a 7/2+ %K=100 174Lu 3.31 a (1) - %K+%β+=100 174m1Lu 142 d (6) - %IT=99.38 , %K=0.62 175Lu stable 7/2+ %Abundance=97.41 176Lu 3.78e10 a 7- %Abundance=2.59, %β-=100 176m1Lu 3.635 h 1- %β-=99.905 , %K=0.095 177Lu 6.734 d 7/2+ %β-=100 177m1Lu 160.4 d 23/2- %β-=78.3 , %IT=21.7 178Lu 28.4 m 1(+) %β-=100 178m1Lu 23.1 m (9-) %β-=100 179Lu 4.59 h 7/2(+) %β-=100 179m1Lu 3.1 ms 1/2(+) %IT=100 180Lu 5.7 m (5) + %β-=100 181Lu 3.5 m (7/2+ ) %β-=100 182Lu 2.0 m (0,1,2) %β-=100 183Lu 58 s (7/2+ ) %β-=100 184Lu 20 s (2+ ) %β-=100 Hafnium Isotope Half-life Spin Parity Mode(s) or Abundance154Hf 2 s 0+ %K+%β+=100 155Hf 0.89 s %K+%β+=100, %α=?156Hf 25 ms 0+ %α > 81 156m1Hf 444 μs 157Hf 110 ms 7/2- %α=86 , %K+%β+=14 158Hf 2.85 s 0+ %α=44 , %K+%β+=56 159Hf 5.6 s %K+%β+=59 , %α=41 160Hf 13.6 s 0+ %K+%β+=99.3 , %α=0.7 161Hf 16.8 s (13/2+ ) %K+%β+=99.71 , %α=0.29 162Hf 37.6 s 0+ %K+%β+=99.9937 , %α=0.0063 163Hf 40.0 s %K+%β+=100 164Hf 111 s 0+ %K+%β+=100 165Hf 76 s (5/2-) %K+%β+=100 166Hf 6.77 m 0+ %K+%β+=100 167Hf 2.05 m (5/2-) %K+%β+=100 168Hf 25.95 m 0+ %K+%β+=100 169Hf 3.24 m (5/2) - %K+%β+=100 170Hf 16.01 h 0+ %K=100 171Hf 12.1 h (7/2+ ) %K+%β+=100 172Hf 1.87 a 0+ %K=100 173Hf 23.6 h 1/2- %K+%β+=100174Hf 2.0e15 a 0+ %Abundance=0.162, %α=100 175Hf 70 d 5/2- %K=100 176Hf stable 0+ %Abundance=5.206 177Hf stable 7/2- %Abundance=18.606 177m1Hf 1.08 s 23/2+ %IT=100 177m2Hf 51.4 m 37/2- %IT=100 178Hf stable 0+ %Abundance=27.297 178m1Hf 4.0 s 8- %IT=100178m2Hf 31 a 16+ %IT=100 179Hf stable 9/2+ %Abundance=13.629 179m1Hf 18.67 s 1/2- %IT=100 179m2Hf 25.05 d 25/2- %IT=100 180Hf stable 0+ %Abundance=35.100 180m1Hf 5.5 h 8- %IT=99.7 , %β-=0.3 181Hf 42.39 d 1/2- %β-=100 182Hf 9e6 a 0+ %β-=100 182m1Hf 61.5 m 8- %β-=58 , %IT=42 183Hf 1.067 h (3/2-) %β-=100 184Hf 4.12 h 0+ %β-=100 184m1Hf 48 s (8-) %IT=100 185Hf 3.5 m %β-=100 Tantalum Isotope Half-life Spin Parity Mode(s) or Abundance156Ta 144 ms (2-) %p ~ 100156m1Ta 375 ms (9+ ) %K+%β+=95.8 , %p=4.2 157Ta 10.1 ms 1/2+ %α=96.6 , %p=3.4 157m1Ta 4.3 ms 11/2- %K+%β+ ~ 5 158Ta 36.5 ms (2-) %α=93 , %K+%β+=7 158m1Ta 49 ms (9+ ) %α ~ 100 159Ta 0.57 s %α=80 , %K+%β+=20 160Ta 1.55 s (9+ ) %K+%β+=66, %α=34 160m1Ta 1.7 s (2-) %α=? 161Ta 2.7 s %K+%β+ ~ 95, %α ~ 5 162Ta 3.52 s %K+%β+=99.926 , %α=0.074 163Ta 10.6 s %K+%β+ ~ 99.8, %α ~ 0.2 164Ta 14.2 s (3+ ) %K+%β+=100 165Ta 31.0 s %K+%β+=100 166Ta 34.4 s (2) + %K+%β+=100 167Ta 1.4 m (3/2+ ) %K+%β+=100 168Ta 2.0 m (3+ ) %K+%β+=100 169Ta 4.9 m (5/2-) %K+%β+=100 170Ta 6.76 m (3+ ) %K+%β+=100 171Ta 23.3 m (5/2-) %K+%β+=100 172Ta 36.8 m (3+ ) %K+%β+=100 173Ta 3.14 h 5/2- %K+%β+=100 174Ta 1.05 h 3+ %K+%β+=100 174m1Ta 250 ns 175Ta 10.5 h 7/2+ %K+%β+=100 176Ta 8.09 h (1) - %K+%β+=100 176m1Ta 1.1 ms (+) %IT=100 176m2Ta 1.4 ms (20- ) 177Ta 56.56 h 7/2+ %K+%β+=100 178Ta 9.31 m 1+ %K+%β+=100 178m1Ta 2.36 h (7) - %K+%β+=100178m2Ta 60 ms (15-) %IT=100 179Ta 1.82 a 7/2+ %K=100 179m1Ta 9.0 ms (25/2+ ) 179m2Ta 52 ms (37/2+ ) 180Ta 8.152 h 1+ %Abundance=0.012, %K=86 , %β-=14 180m1Ta 1.2e+15 a 9- 181Ta stable 7/2+ %Abundance=99.988 182Ta 114.43 d 3- %β-=100 182m1Ta 283 ms 5+ %IT=100 182m2Ta 15.84 m 10- %IT=100183Ta 5.1 d 7/2+ %β-=100 184Ta 8.7 h (5-) %β-=100 185Ta 49.4 m (7/2+ ) %β-=100 186Ta 10.5 m (2- ,3-) %β-=100 Tungsten Isotope Half-life Spin Parity Mode(s) or Abundance158W 0.9 ms 0+ %α=100 158m1W 0.16 ms 8+ 159W 7.3 ms %α ~ 99.5, %K+%β+ ~ 0.5 160W 91 ms 0+ %α=87 , %K+%β+=?161W 410 ms %α=82 162W 1.39 s 0+ %K+%β+=53 , %α=47 163W 2.75 s %K+%β+=59 , %α=41 164W 6.0 s 0+ %K+%β+=95.6 , %α=4.4 165W 5.1 s %K+%β+=100 , %α < 0.2166W 18.8 s 0+ %K+%β+=99.965 , %α=0.035 167W 19.9 s (7/2-) %K+%β+=?, %α=? 168W 53 s 0+ %K+%β+ ~ 100, %α=2.7E-3 169W 76 s (5/2-) %K+%β+=100 170W 2.42 m 0+ %K+%β+=100 171W 2.38 m (5/2-) %K+%β+=100172W 6.6 m 0+ %K+%β+=100 173W 7.6 m 5/2- %K+%β+=100 174W 31 m 0+ %K+%β+=100 175W 35.2 m (1/2-) %K+%β+=100176W 2.5 h 0+ %K=100 177W 135 m (1/2-) %K+%β+=100 178W 21.6 d 0+ %K=100 179W 37.05 m (7/2) - %K+%β+=100179m1W 6.40 m (1/2) - %IT=99.72 , %K+%β+=0.28 180W stable 0+ %Abundance=0.13180m1W 5.47 ms 8- %IT=100 181W 121.2 d 9/2+ %K=100 182W stable 0+ %Abundance=26.3 183W 1.1e+17 a 1/2- %Abundance=14.3 183m1W 5.2 s 11/2+ %IT=100 184W 3e+17 a 0+ %Abundance=30.67 185W 75.1 d 3/2- %β-=100 185m1W 1.67 m 11/2+ %IT=100 186W stable 0+ %Abundance=28.6 187W 23.72 h 3/2- %β-=100 188W 69.4 d 0+ %β-=100 189W 11.5 m (3/2-) %β-=100 190W 30.0 m 0+ %β-=100 Rhenium Isotope Half-life Spin Parity Mode(s) or Abundance160Re 0.79 ms %p=91 , %α=9 161Re 0.37 ms (1/2+ ) %p=100 161m1Re 16 ms (11/2-) %α=95.2 , %p=4.8 162Re 107 ms (2-) %α=94 162m1Re 75 ms (9+ ) %α=91 163Re 260 ms %α=64 , %K+%β+=36 164Re 0.38 s %K+%β+ ~ 100 164m1Re 0.88 s %α=? 165Re 2.4 s %K+%β+=87 , %α=13 166Re 2.8 s %α < 8 167Re 6.1 s %K+%β+ ~ 99.3, %α ~ 0.7 168Re 4.4 s (6+ ) %K+%β+ ~ 100, %α ~ 5E-3 169Re 169m1Re 12.9 s %α ~ 0.2 170Re 9.2 s (5+ ) %K+%β+=100171Re 15.2 s (9/2-) %K+%β+=100 172Re 15 s (5) %K+%β+=100 172m1Re 55 s (2) %K+%β+=100 173Re 1.98 m (5/2-) %K+%β+=100 174Re 2.40 m %K+%β+=100 175Re 5.89 m (5/2-) %K+%β+=100 176Re 5.3 m 3(+) %K+%β+=100 177Re 14 m (5/2-) %K+%β+=100178Re 13.2 m (3+ ) %K+%β+=100 179Re 19.5 m (5/2) + %K+%β+=100 180Re 2.44 m (1) - %K+%β+=100 181Re 19.9 h 5/2+ %K+%β+=100182Re 64.0 h 7+ %K+%β+=100 182m1Re 12.7 h 2+ %K+%β+=100 183Re 70.0 d 5/2+ %K=100 183m1Re 1.04 ms (25/2) + %IT=100 184Re 38.0 d 3(-) %K+%β+=100 184m1Re 169 d 8(+) %IT=75.4 , %K=24.6 185Re stable 5/2+ %Abundance=37.40 186Re 3.7183 d 1- %K=7.47 , %β-=92.53 186m1Re 2.0e+5 a (8+ ) %IT=100 187Re 4.35e10 a 5/2+ %Abundance=62.60, %β-=100, %α < 0.0001 188Re 17.005 h 1- %β-=100 188m1Re 18.6 m (6) - %IT=100 189Re 24.3 h 5/2+ %β-=100 190Re 3.1 m (2) - %β-=100 190m1Re 3.2 h (6-) %β-=54.4 , %IT=45.6 191Re 9.8 m (3/2+ , 1/2+ ) %β-=100 192Re 16 s %β-=100 Osmium Isotope Half-life Spin Parity Mode(s) or Abundance162Os 1.9 ms 0+ %α=100 163Os %α=?, %K+%β+=? 164Os 21 ms 0+ %α ~ 98 , %K+%β+ ~ 2 165Os 71 ms (7/2-) %α > 60 , %K+%β+ < 40 166Os 181 ms 0+ %α=72 , %K+%β+=28 167Os 0.83 s %α=67 , %K+%β+=33 168Os 2.1 s 0+ %K+%β+=56 , %α=44 169Os 3.4 s %K+%β+=89 , %α=11 170Os 7.3 s 0+ %K+%β+=88 , %α=12 171Os 8.0 s (5/2-) %K+%β+=98.3 , %α=1.7 172Os 19.2 s 0+ %K+%β+=99.0 , %α=1.0 173Os 16 s (5/2-) %K+%β+=99.979 , %α=0.021 174Os 44 s 0+ %K+%β+=99.980 +4-10, %α=0.020 +10-4 175Os 1.4 m (5/2-) %K+%β+=100 176Os 3.6 m 0+ %K+%β+=100 177Os 2.8 m (1/2-) %K+%β+=100178Os 5.0 m 0+ %K+%β+=100 179Os 6.5 m (1/2-) %K+%β+=100 180Os 21.5 m 0+ %K+%β+=100 181Os 105 m 1/2- %K+%β+=100 181m1Os 2.7 m (7/2) - %K+%β+=100 182Os 22.10 h 0+ %K=100 183Os 13.0 h 9/2+ %K+%β+=100 183m1Os 9.9 h 1/2- %K+%β+=85 , %IT=15 184Os 5.6e13 a 0+ %Abundance=0.02 185Os 93.6 d 1/2- %K=100 186Os 2.0e15 a 0+ %Abundance=1.58, %α=100 187Os stable 1/2- %Abundance=1.6 188Os stable 0+ %Abundance=13.3 189Os stable 3/2- %Abundance=16.1 189m1Os 5.8 h 9/2- %IT=100 190Os stable 0+ %Abundance=26.4 190m1Os 9.9 m (10) - %IT=100 191Os 15.4 d 9/2- %β-=100 191m1Os 13.10 h 3/2- %IT=100 192Os stable 0+ %Abundance=41.0 192m1Os 5.9 s (10- ) %IT > 87, %β- < 13 193Os 30.11 h 3/2- %β-=100 194Os 6.0 a 0+ %β-=100 195Os 6.5 m %β-=100 196Os 34.9 m 0+ %β-=100 Iridium Isotope Half-life Spin Parity Mode(s) or Abundance165Ir 300 μs (11/2-) %p=87 , %α=13 166Ir 10.5 ms (2-) %α=93 , %p=7 166m1Ir 15.1 ms (9+ ) %α=98.2 , %p=1.8 167Ir 5 ms %α=? 168Ir 161 ms %α=? 169Ir 0.4 s %α ~ 100, %K+%β+=?, %p=? 170Ir 1.05 s %K+%β+=25 sys%α=75 sys 171Ir 1.5 s %α ~ 100, %K+%β+=?, %p=? 172Ir 4.4 s (3+ ) %α ~ 2, %K+%β+=98 172m1Ir 2.0 s (7+ ) %α=23 , %K+%β+=77 173Ir 9.0 s (3/2+ , 5/2+ ) %K+%β+ > 93, %α < 7 173m1Ir 2.20 s (11/2-) %K+%β+=88 , %α=12 174Ir 9 s (3+ ) %K+%β+=99.53 , %α=0.47 174m1Ir 4.9 s (7+ ) %K+%β+=97.5 , %α=2.5 175Ir 9 s (5/2-) %K+%β+=99.15 , %α=0.85 176Ir 8 s %K+%β+=97.9 , %α=2.1 177Ir 30 s (5/2-) %K+%β+=99.94 , %α=0.06 178Ir 12 s %K+%β+=100 179Ir 79 s (5/2) - %K+%β+=100 180Ir 1.5 m %K+%β+=100 181Ir 4.90 m (5/2) - %K+%β+=100182Ir 15 m (5+ ) %K+%β+=100 183Ir 58 m 5/2- %K+%β+=100 184Ir 3.09 h 5- %K+%β+=100 185Ir 14.4 h 5/2- %K+%β+=100186Ir 16.64 h 5+ %K+%β+=100 186m1Ir 1.90 h 2- %K+%β+ ~ 75, %IT ~ 25 187Ir 10.5 h 3/2+ %K+%β+=100 187m1Ir 30.3 ms 9/2- %IT=100 188Ir 41.5 h 1- %K+%β+=100 188m1Ir 4.2 ms 189Ir 13.2 d 3/2+ %K=100 189m1Ir 13.3 ms 11/2- %IT=100189m2Ir 3.7 ms (25/2) + %IT=100 190Ir 11.78 d (4-) %K+%β+=100, %β- < 0.002 190m1Ir 1.2 h (1-) %IT=100 190m2Ir 3.25 h (11) - %K+%β+=94.4 , %IT=5.6 191Ir stable 3/2+ %Abundance=37.3 191m1Ir 4.94 s 11/2- %IT=100 191m2Ir 5.5 s %IT=100 192Ir 73.831 d 4(+) %β-=95.24 , %K=4.76 192m1Ir 1.45 m 1(-) %IT=99.982, %β-=0.018 192m2Ir 241 a (9) %IT=100 193Ir stable 3/2+ %Abundance=62.7 193m1Ir 10.53 d 11/2- %IT=100 194Ir 19.28 h 1- %β-=100 194m1Ir 31.85 ms (4+ ) %IT=100 194m2Ir 171 d (10,11) %β-=100 195Ir 2.5 h 3/2+ %β-=100 195m1Ir 3.8 h 11/2- %β-=95 , %IT=5 196Ir 52 s (0- ) %β-=100 196m1Ir 1.40 h (10,11-) %β- ~ 100 , %IT < 0.3 197Ir 5.8 m 3/2+ %β-=100 197m1Ir 8.9 m 11/2- %β-=99.75 , %IT=0.25 198Ir 8 s %β-=100 Platinum Isotope Half-life Spin Parity Mode(s) or Abundance168Pt 2.0 ms 0+ %α=100 169Pt 5 ms %α=? 170Pt 6 ms 0+ %α=100 171Pt 25 ms %α ~ 99, %K+%β+ ~ 1 172Pt 0.096 s 0+ %α=94 +6-32 , %K+%β+=6 +32-6173Pt 342 ms %K+%β+=16 , %α=84 174Pt 0.90 s 0+ %α=75 , %K+%β+=25 175Pt 2.52 s %α=64 , %K+%β+=36 176Pt 6.33 s 0+ %K+%β+=62 , %α=38 177Pt 11 s (5/2-) %K+%β+=94.4 , %α=5.6 178Pt 21.1 s 0+ %K+%β+=95.4 , %α=4.6 179Pt 21.2 s 1/2- %K+%β+=99.76 , %α=0.24 180Pt 52 s 0+ %K+%β+=100, %α ~ 0.3 181Pt 51 s 1/2- %K+%β+=100, %α ~ 0.06182Pt 3.0 m 0+ %K+%β+=99.969 , %α=0.031 183Pt 6.5 m 1/2- %K+%β+ ~ 100, %α ~ 0.0013 183m1Pt 43 s (7/2) - %K+%β+=100, %α=? 184Pt 17.3 m 0+ %K+%β+=100, %α ~ 0.001184m1Pt 1.01 ms 8- %IT=100 184m2Pt 1.1 ms 8- 185Pt 70.9 m 9/2+ %K+%β+=100, %α=0.0050 185m1Pt 33.0 m 1/2- %K+%β+=99 , %IT < 2 186Pt 2.2 h 0+ %K+%β+=100, %α ~ 0.00010 187Pt 2.35 h 3/2- %K+%β+=100 188Pt 10.2 d 0+ %K=100, %α=2.9E-5 189Pt 10.87 h 3/2- %K+%β+=100 190Pt 6.5e11 a 0+ %Abundance=0.01, %α=100 191Pt 2.802 d 3/2- %K=100 192Pt stable 0+ %Abundance=0.79 193Pt 50 a 1/2- %K=100 193m1Pt 4.33 d 13/2+ %IT=100 194Pt stable 0+ %Abundance=32.9 195Pt stable 1/2- %Abundance=33.8 195m1Pt 4.02 d 13/2+ %IT=100 196Pt stable 0+ %Abundance=25.3197Pt 19.8915 h 1/2- %β-=100 197m1Pt 95.41 m 13/2+ %IT=96.7 , %β-=3.3 198Pt stable 0+ %Abundance=7.2 199Pt 30.80 m 5/2- %β-=100 199m1Pt 13.6 s (13/2) + %IT=100 200Pt 12.5 h 0+ %β-=100 201Pt 2.5 m (5/2-) %β-=100 202Pt 44 h 0+ %β-=100 Gold Isotope Half-life Spin Parity Mode(s) or Abundance172Au 6.3 ms %α ~ 100, %p < 2 173Au 59 ms %α < 100 174Au 120 ms %α=? 175Au 200 ms %α=94 +6-25, %K+%β+=6 +25-6 176Au 1.08 s %α=?, %K+%β+=? 177Au 1.18 s %α < 40 178Au 2.6 s %K+%β+ < 60, %α > 40 179Au 7.1 s %K+%β+=78.0 , %α=22.0 180Au 8.1 s %K+%β+ < 98.2, %α > 1.8 181Au 11.4 s 5/2- %K+%β+=98.7 , %α=1.3 182Au 15.6 s %K+%β+=99.87 , %α=0.13 183Au 42.0 s (5/2) - %K+%β+=99.70 , %α=0.30 184Au 53.0 s 3+ %K+%β+=99.978, %α=0.022 185Au 4.25 m 5/2- %K+%β+=99.74 , %α=0.26 185m1Au 6.8 m %K+%β+ < 100, %IT=? 186Au 10.7 m 3- %K+%β+=100, %α=8E-4 187Au 8.4 m 1/2+ %K+%β+=100, %α=0.003 sys 187m1Au 2.3 s 9/2- %IT=100 188Au 8.84 m 1(-) %K+%β+=100 189Au 28.7 m 1/2+ %K+%β+=100, %α < 3E-5189m1Au 4.59 m 11/2- %K+%β+ ~ 100, %IT > 0190Au 42.8 m 1- %K+%β+=100, %α < 1E-6 190m1Au 125 ms (11-) %IT=?, %K+%β+=? 191Au 3.18 h 3/2+ %K+%β+=100 191m1Au 0.92 s (11/2-) %IT=100 192Au 4.94 h 1- %K+%β+=100 192m1Au 29 ms (5) + %IT=100 192m2Au 160 ms (11-) %IT=100 193Au 17.65 h 3/2+ %K+%β+=100193m1Au 3.9 s 11/2- %IT=99.97, %K+%β+ ~ 0.03 194Au 38.02 h 1- %K+%β+=100 194m1Au 600 ms (5+ ) %IT=100 194m2Au 420 ms (11-) %IT=100 195Au 186.09 d 3/2+ %K=100 195m1Au 30.5 s 11/2- %IT=100 196Au 6.183 d 2- %K+%β+=92.80 , %β- =7.20 196m1Au 8.1 s 5+ %IT=100 196m2Au 9.6 h 12- %IT=100 197Au stable 3/2+ %Abundance=100 197m1Au 7.73 s 11/2- %IT=100 198Au 2.69517 d 2- %β-=100 198m1Au 2.27 d (12-) %IT=100 199Au 3.139 d 3/2+ %β-=100 200Au 48.4 m 1(-) %β-=100 200m1Au 18.7 h 12- %β-=82 , %IT=18 201Au 26 m 3/2+ %β-=100 202Au 28.8 s (1-) %β-=100 203Au 53 s 3/2+ %β-=100 204Au 39.8 s (2-) %β-=100 205Au 31 s (3/2+ ) %β-=100 Mercury Isotope Half-life Spin Parity Mode(s) or Abundance175Hg 20 ms %α=100 176Hg 18 ms 0+ %α ~ 100 177Hg 0.130 s %α=85, %K+%β+=15 178Hg 266 ms 0+ %K+%β+=?, %α ~ 100 179Hg 1.09 s %K+%β+ ~ 47, %α ~ 53, %Kp ~ 0.15 180Hg 2.8 s 0+ %K+%β+=52 , %α=48 181Hg 3.6 s 1/2(-) %K+%β+=64 , %α=36 , %Kp=0.014 , %Kα=9E-6 182Hg 10.83 s 0+ %K+%β+=84.8 , %α=15.2 183Hg 9.4 s 1/2- %K+%β+=88.3 , %α=11.7 , %Kp=0.00056 184Hg 30.9 s 0+ %K+%β+=98.74 , %α=1.26 185Hg 49.1 s 1/2- %K+%β+=94 , %α=6 185m1Hg 21.6 s 13/2+ %IT=54 , %K+%β+=46 , %α ~ 0.03 186Hg 1.38 m 0+ %K+%β+=99.982 , %α=0.018 187Hg 2.4 m 13/2+ %K+%β+=100, %α>1.2E-4 187m1Hg 1.9 m 3/2- %K+%β+=100, %α>2.5E-4 188Hg 3.25 m 0+ %K+%β+=100, %α=4.0E-5 189Hg 7.6 m 3/2- %K+%β+=100, %α < 3E-5 189m1Hg 8.6 m 13/2+ %K+%β+=100, %α < 3E-5190Hg 20.0 m 0+ %K+%β+=100, %α < 5E-5 191Hg 49 m (3/2-) %K+%β+=100 191m1Hg 50.8 m 13/2+ %K+%β+=100192Hg 4.85 h 0+ %K=100, %α < 4E-6 193Hg 3.80 h 3/2- %K+%β+=100 193m1Hg 11.8 h 13/2+ %K+%β+=92.8 , %IT=7.2 194Hg 444 a 0+ %K=100 195Hg 9.9 h 1/2- %K+%β+=100 195m1Hg 41.6 h 13/2+ %IT=54.2 , %K+%β+=45.8 196Hg stable 0+ %Abundance=0.15 197Hg 64.14 h 1/2- %K=100 197m1Hg 23.8 h 13/2+ %K=8.6 , %IT=91.4 198Hg stable 0+ %Abundance=9.97 199Hg stable 1/2- %Abundance=16.87199m1Hg 42.6 m 13/2+ %IT=100 200Hg stable 0+ %Abundance=23.10 201Hg stable 3/2- %Abundance=13.18202Hg stable 0+ %Abundance=29.86 203Hg 46.612 d 5/2- %β-=100 204Hg stable 0+ %Abundance=6.87205Hg 5.2 m 1/2- %β-=100 205m1Hg 1.10 ms (13/2+ ) %IT=100206Hg 8.15 m 0+ %β-=100 207Hg 2.9 m (9/2+ ) %β-=100 208Hg 42 m 0+ %β-=100 Thallium Isotope Half-life Spin Parity Mode(s) or Abundance179Tl 0.16 s %α ~ 100 179m1Tl 1.4 ms (9/2-) %α ~ 100180Tl 0.70 s %K+%β+=?, %KSF ~ 1.0E-4 181Tl (1/2+ ) 181m1Tl 3.4 s (9/2-) %α=?182Tl 3.1 s (7+ ) %K+%β+ > 96, %α < 4 183Tl (1/2+ ) 183m1Tl 60 ms (9/2-) %α < 0.010184Tl 11 s %K+%β+=97.9 , %α=2.1 185Tl 19.5 s (1/2+ ) %K+%β+=? 185m1Tl 1.83 s (9/2-) %IT=?, %α=? 186Tl 27.5 s (7+ ) %K+%β+=100, %α ~ 0.006 186m1Tl 2.9 s (10- ) %IT=100 187Tl 51 s (1/2+ ) %K+%β+=?, %α=? 187m1Tl 15.60 s (9/2-) %α=?, %K+%β+=?, %IT=?188Tl 71 s (2-) %K+%β+=100 188m1Tl 71 s (7+ ) %K+%β+=100 188m2Tl 41 ms (9-) %IT=100 189Tl 2.3 m (1/2+ ) %K+%β+=100 189m1Tl 1.4 m (9/2-) %K+%β+=100, %IT<4 190Tl 2.6 m (2) - %K+%β+=100 190m1Tl 3.7 m (7+ ) %K+%β+=100 191Tl (1/2+ ) 191m1Tl 5.22 m 9/2(-) %K+%β+=100 192Tl 9.6 m (2-) %K+%β+=100 192m1Tl 10.8 m (7+ ) %K+%β+=100 193Tl 21.6 m 1/2+ %K+%β+=100 193m1Tl 2.11 m 9/2- %IT=75, %K+%β+=25 194Tl 33.0 m 2- %K+%β+=100 , %α < 1E-7 194m1Tl 32.8 m (7+ ) %K+%β+=100195Tl 1.16 h 1/2+ %K+%β+=100 195m1Tl 3.6 s 9/2- %IT=100 196Tl 1.84 h 2- %K+%β+=100 196m1Tl 1.41 h (7+ ) %K+%β+=95.5 , %IT=4.5 197Tl 2.84 h 1/2+ %K+%β+=100 197m1Tl 0.54 s 9/2- %IT=100 198Tl 5.3 h 2- %K+%β+=100 198m1Tl 1.87 h 7+ %IT=46 , %K+%β+=54 198m2Tl 32.1 ms (10- ) %IT=100 199Tl 7.42 h 1/2+ %K+%β+=100 199m1Tl 28.4 ms 9/2- %IT=100 200Tl 26.1 h 2- %K+%β+=100 200m1Tl 34.3 ms 7+ %IT=100 201Tl 72.912 h 1/2+ %K=100 201m1Tl 2.035 ms (9/2-) %IT=100202Tl 12.23 d 2- %K+%β+=100 202m1Tl 572 μs 7+ 203Tl stable 1/2+ %Abundance=29.524 204Tl 3.78 a 2- %β-=97.10 , %K+%β+=2.90 205Tl stable 1/2+ %Abundance=70.476 206Tl 4.199 m 0- %β-=100 206m1Tl 3.74 m (12-) %IT=100207Tl 4.77 m 1/2+ %β-=100 207m1Tl 1.33 s 11/2- %IT=100, %β- < 0.1 208Tl 3.053 m 5(+) %β-=100 209Tl 2.20 m (1/2+ ) %β-=100 210Tl 1.30 m (5+ ) %β-=100, %β-n=0.007 +7- 4 Lead Isotope Half-life Spin Parity Mode(s) or Abundance181Pb 45 ms (13/2+ ) %α ~ 98 182Pb 55 ms 0+ %α=?183Pb 300 ms (1/2-) %α ~ 94, %K+%β+ ~ 6 184Pb 0.55 s 0+ %α=? 185Pb 4.1 s %α < 100 186Pb 4.83 s 0+ %α=54 , %K+%β+=46 187Pb 18.3 s (13/2+ ) %K+%β+=98.0, %α=2.0 187m1Pb 15.2 s %α=?, %K+%β+=? 188Pb 24 s 0+ %K+%β+=91.5 , %α=8.5 189Pb 51 s %K+%β+ > 99, %α ~ 0.4 190Pb 1.2 m 0+ %K+%β+=99.79 , %α=0.21 191Pb 1.33 m (3/2-) %K+%β+=99.987 , %α=0.013 191m1Pb 2.18 m (13/2+ ) %K+%β+=100, %α ~ 0.02 192Pb 3.5 m 0+ %K+%β+=99.9941 , %α=0.0059 193Pb 2 m (3/2-) %K+%β+=? 193m1Pb 5.8 m (13/2+ ) %K+%β+=100 194Pb 12.0 m 0+ %K+%β+=100, %α=7.3E-6 195Pb 15 m 3/2- %K+%β+=100 195m1Pb 15.0 m 13/2+ %K+%β+=100 196Pb 37 m 0+ %K+%β+=100, %α < 3E-5197Pb 8 m 3/2- %K+%β+=100 197m1Pb 43 m 13/2+ %K+%β+=81 , %IT=19 198Pb 2.40 h 0+ %K+%β+=100 199Pb 90 m 3/2- %K+%β+=100 199m1Pb 12.2 m 13/2+ %IT=93, %K+%β+=7200Pb 21.5 h 0+ %K=100 201Pb 9.33 h 5/2- %K+%β+=100 201m1Pb 61 s 13/2+ %IT>99, %K+%β+<1202Pb 5.25e4 a 0+ %K=100, %α<1 202m1Pb 3.53 h 9- %IT=90.5 , %K+%β+=9.5 203Pb 51.873 h 5/2- %K=100 203m1Pb 6.3 s 13/2+ %IT=100 203m2Pb 0.48 s 29/2- %IT=100 204Pb 1.4e17 a 0+ %Abundance=1.4 204m1Pb 67.2 m 9- %IT=100 205Pb 1.53e+7 a 5/2- %K=100 205m1Pb 5.54 ms 13/2+ %IT=100 206Pb stable 0+ %Abundance=24.1 207Pb stable 1/2- %Abundance=22.1 207m1Pb 0.805 s 13/2+ %IT=100 208Pb stable 0+ %Abundance=52.4 209Pb 3.253 h 9/2+ %β-=100 210Pb 22.3 a 0+ %β-=100, %α=1.9E-6 211Pb 36.1 m 9/2+ %β- =100 212Pb 10.64 h 0+ %β-=100 213Pb 10.2 m (9/2+ ) %β-=100 214Pb 26.8 m 0+ %β-=100 215Pb 36 s (5/2+ ) %β-=100 Bismuth Isotope Half-life Spin Parity Mode(s) or Abundance185Bi 44 μs (1/2+ ) %p ~ 100 186Bi 15.0 ms (3+ ) %α ~ 100 186m1Bi 9.8 ms (10- ) %α ~ 100 187Bi 35 ms (9/2-) %α>50 187m1Bi 0.8 ms (1/2+ ) 188Bi 0.21 s %α=?, %K+%β+=? 188m1Bi 44 ms %α=?, %K+%β+=? 189Bi 680 ms (9/2-) %α > 50, %K+%β+ < 50189m1Bi 5 ms (1/2+ ) %α > 50, %K+%β+ < 50 190Bi 6.3 s (3+ ) %α=80 , %K+%β+=20 190m1Bi 6.2 s (10- ) %α=70 , %K+%β+=30 191Bi 12 s (9/2-) %α=60 , %K+%β+=40 191m1Bi 150 ms (1/2+ ) %α > 50, %K+%β+ < 50192Bi 37 s (2+ , 3+ ) %K+%β+=82 , %α=18 192m1Bi 39.6 s (10- ) %K+%β+=90.8 , %α=9.2 193Bi 67 s (9/2-) %K+%β+=96.5 , %α=3.5 193m1Bi 3.2 s (1/2+ ) %α=90 +10-20, %K+%β+=10 +20-10 194Bi 95 s (3+ ) %K+%β+=99.54 , %α=0.46 194m1Bi 115 s (10- ) %K+%β+=99.80 , %α=0.20 194m2Bi 125 s (6+ , 7+ ) %K+%β+=100 195Bi 183 s (9/2-) %K+%β+=99.967 , %α=0.033 195m1Bi 87 s (1/2+ ) %K+%β+=67 , %α=33 196Bi 308 s (3+ ) %K+%β+=100, %α=0.00115 196m1Bi 0.6 s (7+ ) %IT=100 196m2Bi 240 s (10- ) %K+%β+=74.2 , %IT=25.8 , %α=0.00038 197Bi 9.33 m (9/2-) %K+%β+=100, %α=1E-4 sys 197m1Bi 5.04 m (1/2+ ) %K+%β+=45 , %α=55 , %IT < 0.3 198Bi 10.3 m (2+ , 3+ ) %K+%β+=100 198m1Bi 11.6 m (7+ ) %K+%β+=100 198m2Bi 7.7 s (10- ) %IT=100 199Bi 27 m 9/2- %K+%β+=100 199m1Bi 24.70 m (1/2+ ) %K+%β+=99 , %α ~ 0.01, %IT < 2 200Bi 36.4 m 7+ %K+%β+=100 200m1Bi 31 m (2+ ) %K+%β+ > 90, %IT < 10 200m2Bi 0.40 s (10- ) %IT=100 201Bi 108 m 9/2- %K+%β+=100, %α < 1E-4 201m1Bi 59.1 m 1/2+ %K > 93, %IT < 6.8, %α ~ 0.3 202Bi 1.72 h 5+ %K+%β+=100, %α<1E-5 203Bi 11.76 h 9/2- %K+%β+=100, %α ~ 1E-5 203m1Bi 303 ms 1/2+ %IT=100 204Bi 11.22 h 6+ %K+%β+=100 204m1Bi 13.0 ms 10- %IT=100 204m2Bi 1.07 ms (17+ ) %IT=100 205Bi 15.31 d 9/2- %K+%β+=100 206Bi 6.243 d 6(+) %K+%β+=100 207Bi 31.55 a 9/2- %K+%β+=100 208Bi 3.68e+5 a (5) + %K+%β+=100 208m1Bi 2.58 ms (10) - %IT=100 Bi 1.910 yr 9/2- %α=100 , %Abundance=100 210Bi 5.013 d 1- %β-=100, %α=1.32E-4 210m1Bi 3.04e+6 a 9- %α=100 211Bi 2.14 m 9/2- %α=99.724 , %β-=0.276 212Bi 60.55 m 1(-) %β-=64.06 , %α=35.94 , %β-α=0.023212m1Bi 25.0 m (9-) %α=67 , %β-=33 , %β-α=30 212m2Bi 7.0 m %β- ~ 100 213Bi 45.59 m 9/2- %β-=97.91 , %α=2.09 214Bi 19.9 m 1- %β-=99.979 , %α=0.021 215Bi 7.6 m %β-=100 216Bi 3.6 m (1-) %β- ~ 100 217Bi 97 s (9/2-) %β-=100 Polonium Isotope Half-life Spin Parity Mode(s) or Abundance190Po 2.0 ms 0+ %α=100, %K+%β+=0.1 sys191Po 15.5 ms %α=? 192Po 0.0332 s 0+ %α=100 193Po 0.42 s (3/2- ) %α=? 193m1Po 0.24 s (13/2+ ) %α=? 194Po 0.392 s 0+ %α=93 195Po 4.64 s (3/2- ) %α=75 , %K+%β+=25 195m1Po 1.92 s (13/2+ ) %α ~ 90, %K+%β+ ~ 10, %IT < 0.01 196Po 5.8 s 0+ %α ~ 98, %K+%β+ ~ 2 197Po 53.6 s (3/2- ) %K+%β+=56 , %α=44 197m1Po 25.8 s (13/2+ ) %α=84 , %K+%β+=16 , %IT=0.01 sys198Po 1.77 m 0+ %α=57 , %K+%β+=43 199Po 5.48 m 3/2- %K+%β+=88 , %α=12 199m1Po 4.13 m 13/2+ %K+%β+=59 , %α=39 , %IT=2.1200Po 11.5 m 0+ %α=11.1 , %K+%β+=88.9 201Po 15.3 m 3/2- %K+%β+=98.4 , %α=1.6 201m1Po 8.9 m 13/2+ %IT=56 , %K=41 , %α ~ 2.9 202Po 44.7 m 0+ %K+%β+=98.08 , %α=1.92 202m1Po 85 ns 8+ 202m2Po 200 ns 11- 202m3Po 19 ns 12+ 202m4Po 11 ns (15-) 203Po 36.7 m 5/2- %K+%β+=99.89 , %α=0.11 203m1Po 45 s 13/2+ %IT ~ 100 , %α ~ 0.04 sys204Po 3.53 h 0+ %K+%β+=99.34 , %α=0.66 205Po 1.66 h 5/2- %K+%β+=99.96 , %α=0.04 205m1Po 58 ms 19/2- %IT=100 206Po 8.8 d 0+ %K+%β+=94.55 , %α=5.45 207Po 5.80 h 5/2- %K+%β+=99.979 , %α=0.021 207m1Po 2.8 s 19/2- %IT=100 208Po 2.898 a 0+ %α=99.9958 , %K+%β+=0.0042 209Po 102 a 1/2- %α=99.52 , %K+%β+=0.48 210Po 138.376 d 0+ %α=100 211Po 0.516 s 9/2+ %α=100 211m1Po 25.2 s (25/2+ ) %α=99.984 , %IT=0.016 212Po 0.299 μs 0+ %α=100 212m1Po 45.1 s (18+) %α=99.93 , %IT=0.07 213Po 4.2 μs 9/2+ %α=100 214Po 164.3 μs 0+ %α=100 215Po 1.781 ms 9/2+ %α=99.99977 , %β-=2.3E-4 216Po 0.145 s 0+ %α=100 217Po 10 s %α > 95, %β- < 5 218Po 3.10 m 0+ %α=99.980 , %β-=0.020 Astatine Isotope Half-life Spin Parity Mode(s) or Abundance193At 40 ms %α=? 194At 40 ms %α=? 194m1At 250 ms %α=? 195At 0.63 s %α > 75, %K+%β+ < 25 196At 0.253 s %α ~ 100 197At 0.35 s (9/2- ) %α=96 , %K+%β+=4 197m1At 3.7 s (1/2+ ) %α=?, %K+%β+=? 198At 4.2 s (3+ ) %α=90 , %K+%β+=10 198m1At 1.0 s (10- ) %α=84 , %K+%β+=16 199At 7.2 s (9/2- ) %α=90 , %K+%β+=10 200At 43 s (3+ ) %α=57 , %K+%β+=43 200m1At 47 s (7+) %α=43 , %K+%β+ < 57 200m2At 3.5 s (10- ) %α ~ 10.5, %IT ~ 85, %K ~ 4.5 201At 89 s (9/2- ) %α=71 , %K+%β+=29 202At 184 s (2,3)+ %K+%β+=82 , %α=18 202m1At 182 s (7+) %K+%β+=91.3, %α=8.7 202m2At 0.46 s (10- ) %IT=99.7 , %K+%β+=0.25 sys %α=0.096 203At 7.4 m 9/2- %K+%β+=69 , %α=31 204At 9.2 m 7+ %K+%β+=96.2 , %α=3.8 204m1At 108 ms (10- ) %IT=100 205At 26.2 m 9/2- %K+%β+=90 , %α=10 206At 30.0 m (5)+ %K+%β+=99.11 , %α=0.89 207At 1.80 h 9/2- %K+%β+=91.4 , %α=8.6 208At 1.63 h 6+ %K+%β+=99.45 , %α=0.55 209At 5.41 h 9/2- %K+%β+=95.9 , %α=4.1 210At 8.1 h (5)+ %K+%β+=99.825 , %α=0.175 211At 7.214 h 9/2- %α=41.80 , %K=58.20 212At 0.314 s (1- ) %α=100, %β- < 2E-6, %K+%β+ < 3E-2 212m1At 0.119 s (9-) %α > 99, %IT < 1 213At 125 ns 9/2- %α=100 214At 558 ns 1- %α=100 214m1At 265 ns 214m2At 760 ns 9- 215At 0.10 ms 9/2- %α=100216At 0.30 ms 1- %α=100, %K<3E-7, %β-<6E-3 216m1At 0.1 ms (9-) 217At 32.3 ms 9/2- %α=99.988 , %β-=0.012 218At 1.5 s %α=99.9 , %β-=0.1 219At 56 s %α ~ 97, %β- ~ 3 220At 3.71 m 3 %α=8 , %β-=92 221At 2.3 m %β-=100 222At 54 s %β-=100 223At 50 s %β-=100, %α=0.008 sys Radon Isotope Half-life Spin Parity Mode(s) or Abundance196Rn 3 ms 0+ %α ~ 100 197Rn 65 ms (3/2- ) %α ~ 100 197m1Rn 19 ms (13/2+ ) %α ~ 100 198Rn 64 ms 0+ %α=100 199Rn 0.62 s (3/2- ) %α=94 sys, %K+%β+=6 sys 199m1Rn 0.32 s (13/2+ ) %α=97 sys, %K+%β+=3 sys200Rn 0.96 s 0+ %α=86 +14-4, %K+%β+<18 201Rn 7.0 s (3/2- ) %α ~ 80 , %K+%β+ ~ 20 201m1Rn 3.8 s (13/2+ ) %α ~ 90, %K+%β+ ~ 10, %IT ~ 0 202Rn 10.0 s 0+ %α=86 , %K+%β+=14 203Rn 45 s (3/2,5/2)- %α=66 , %K+%β+=34 203m1Rn 28 s (13/2+ ) %α ~ 80 sys%K+%β+ ~ 20 sys 204Rn 1.24 m 0+ %α=73 , %K+%β+=27 205Rn 2.8 m 5/2- %K+%β+=77 , %α=23 206Rn 5.67 m 0+ %α=63 , %K+%β+=37 207Rn 9.25 m 5/2- %K+%β+=79 , %α=21 208Rn 24.35 m 0+ %α=62 , %K+%β+=38 209Rn 28.5 m 5/2- %K+%β+=83 , %α=17 210Rn 2.4 h 0+ %α=96 , %K+%β+=4 211Rn 14.6 h 1/2- %K=72.6 , %α=27.4 212Rn 23.9 m 0+ %α=100 213Rn 25.0 ms (9/2+ ) %α=100 214Rn 0.27 μs 0+ %α=100 214m1Rn 0.69 ns 6+ 214m2Rn 6.5 ns 8+ 215Rn 2.30 μs 9/2+ %α=100 216Rn 45 μs 0+ %α=100 217Rn 0.54 ms 9/2+ %α=100 218Rn 35 ms 0+ %α=100 219Rn 3.96 s 5/2+ %α=100 220Rn 55.6 s 0+ %α=100 221Rn 25 m 7/2(+) %β-=78 , %α=22 222Rn 3.8235 d 0+ %α=100 223Rn 23.2 m 7/2 %β-=100, %α=0.0004 sys224Rn 107 m 0+ %β-=100 225Rn 4.5 m 7/2- %β-=100 226Rn 7.4 m 0+ %β-=100 227Rn 22.5 s %β-=100 228Rn 65 s 0+ %β-=100 Francium Isotope Half-life Spin Parity Mode(s) or Abundance200Fr 19 ms (3+ ) %α=100 200m1Fr 0.57 s (10- ) %α=100201Fr 48 ms (9/2- ) %α=100 , %K+%β+ < 1202Fr 0.34 s (3+ ) %α ~ 97 , %K+%β+ ~ 3 202m1Fr 0.34 s (10- ) %α ~ 97 , %K+%β+ ~ 3 203Fr 0.55 s (9/2- ) %α ~ 95 , %K+%β+ ~ 5 204Fr 1.7 s (3+ ) %α ~ 80, %K+%β+ ~ 20 204m1Fr 2.6 s (7+) %α=? 204m2Fr 1 s (10- ) %α=? 205Fr 3.85 s (9/2- ) %α > 99, %K+%β+ < 1 206Fr 15.9 s (5+) %α=84 , %K+%β+=16 206m1Fr 0.7 s (10- ) %α=0.3 , %IT=? 207Fr 14.8 s 9/2- %α=95 , %K+%β+=5 208Fr 59.1 s 7+ %α=90 , %K+%β+=10 209Fr 50.0 s 9/2- %α=89 , %K+%β+=11 210Fr 3.18 m 6+ %α=60 , %K+%β+=40 211Fr 3.10 m 9/2- %α>80, %K<20 212Fr 20.0 m 5+ %K+%β+=57 , %α=43 213Fr 34.6 s 9/2- %α=99.45 , %K+%β+=0.55 214Fr 5.0 ms (1- ) %α=100 214m1Fr 3.35 ms (8-) %α=100 215Fr 86 ns 9/2- %α=100 215m1Fr 3.5 ns (23/2)- 216Fr 0.70 μs (1- ) %α=100, %K<2E-7 sys 217Fr 22 μs 9/2- %α=100 218Fr 1.0 ms 1- %α=100 218m1Fr 22.0 ms %α < 100 , %IT=? 219Fr 20 ms 9/2- %α=100 220Fr 27.4 s 1+ %α=99.65 , %β-=0.35 221Fr 4.9 m 5/2- %α=100, %γ=8.8E-11 222Fr 14.2 m 2- %β-=100 223Fr 21.8 m 3/2(-) %β-=99.994, %α=0.006 224Fr 3.33 m 1- %β-=100 225Fr 4.0 m 3/2- %β-=100 226Fr 49 s 1- %β-=100 227Fr 2.47 m 1/2+ %β-=100 228Fr 38 s 2- %β-=100 229Fr 50 s %β-=100 230Fr 19.1 s %β-=100 231Fr 17.5 s %β-=100 232Fr 5 s %β-=100 Radium Isotope Half-life Spin Parity Mode(s) or Abundance202Ra 0.7 ms 0+ %α=100 203Ra 1.0 ms (3/2- ) %α ~ 100 203m1Ra 33 ms (13/2+ ) %α ~ 100 204Ra 59 ms 0+ %α ~ 100 205Ra 210 ms (3/2- ) %α=? 205m1Ra 170 ms (13/2+ ) %α=? 206Ra 0.24 s 0+ %α ~ 100 207Ra 1.3 s (5/2,3/2)- %α ~ 90, %K+%β+ ~ 10 207m1Ra 55 ms (13/2+ ) %IT=85 sys%α=15 sys %K+%β+ ~ 0.55 208Ra 1.3 s 0+ %α=95 sys %K+%β+=5 sys209Ra 4.6 s 5/2- %α ~ 90, %K+%β+ ~ 10 210Ra 3.7 s 0+ %α ~ 96, %K+%β+ ~ 4 211Ra 13 s 5/2(-) %α > 93, %K < 7 212Ra 13.0 s 0+ %α ~ 85, %K+%β+ ~ 15 213Ra 2.74 m 1/2- %α=80 , %K+%β+=20 213m1Ra 2.1 ms %IT ~ 99, %α ~ 1 214Ra 2.46 s 0+ %α=99.941 , %K=0.059 215Ra 1.59 ms (9/2+ ) %α=100 216Ra 182 ns 0+ %α=100, %K<1E-8217Ra 1.6 μs (9/2+ ) %α=100 218Ra 25.6 μs 0+ %α=100 219Ra 10 ms (7/2)+ %α=100 220Ra 18 ms 0+ %α=100 221Ra 28 s 5/2+ %α=100, %γ=1.2E-10 222Ra 38.0 s 0+ %α=100, %14C=3.0E-8 223Ra 11.435 d 3/2+ %α=100, %14C=6.4E-8 224Ra 3.66 d 0+ %α=100, %14C=4.3E-9 225Ra 14.9 d 1/2+ %β-=100 226Ra 1600 a 0+ %α=100, %14C=3.2E-9 227Ra 42.2 m 3/2+ %β-=100 228Ra 5.75 a 0+ %β-=100 229Ra 4.0 m 5/2(+) %β-=100 230Ra 93 m 0+ %β-=100 231Ra 103 s (7/2-,1/2+ ) %β-=100 232Ra 250 s 0+ %β-=100 233Ra 30 s %β-=100 234Ra 30 s 0+ %β-=100 Actinium Isotope Half-life Spin Parity Mode(s) or Abundance206Ac 22 ms (3+ ) %α=? 206m1Ac 33 ms (10- ) 207Ac 22 ms (9/2- ) %α ~ 100208Ac 95 ms (3+ ) %α=? 208m1Ac 25 ms (10- ) %α=? 209Ac 0.10 s (9/2- ) %α ~ 99, %K+%β+ ~ 1 210Ac 0.35 s %α ~ 96, %K+%β+ ~ 4 211Ac 0.25 s %α ~ 100 212Ac 0.93 s %α ~ 97, %K+%β+ ~ 3 213Ac 0.80 s %α < 100 214Ac 8.2 s %α > 89 , %K < 11 215Ac 0.17 s 9/2- %α=99.91 , %K+%β+=0.09 216Ac 0.33 ms (1- ) %α=100 216m1Ac 0.33 ms (9-) 217Ac 69 ns 9/2- %α=100, %K+%β+ < 2 217m1Ac 740 ns (29/2)+ 218Ac 1.08 μs (1- ) %α=100 219Ac 11.8 μs 9/2- %α=100, %K+%β+ ~ 1E-6220Ac 26.4 ms (3-) %α=100 221Ac 52 ms (3/2- ) %α=100 222Ac 5.0 s 1- %α=99 , %K+%β+=1 222m1Ac 63 s %α > 88, %IT < 10 , %K+%β+ < 2 223Ac 2.10 m (5/2- ) %α=99, %K=1 224Ac 2.78 h 0- %K=90.9 +14-20, %α=9.1 +20-14, %β- < 1.6 sys225Ac 10.0 d (3/2- ) %α=100, %14C=6.0E-10 226Ac 29.37 h (1) %α=6E-3 , %β-=83 , %K=17 227Ac 21.773 a 3/2- %β-=98.620 , %α=1.380 228Ac 6.15 h 3+ %β-=100 229Ac 62.7 m (3/2+ ) %β-=100 230Ac 122 s (1+ ) %β-=100 231Ac 7.5 m (1/2+ ) %β-=100 232Ac 119 s (1+ ) %β-=100 233Ac 145 s (1/2+ ) %β-=100 234Ac 44 s %β-=100 Thorium Isotope Half-life Spin Parity Mode(s) or Abundance210Th 9 ms 0+ %α ~ 100 211Th 37 ms %α=?, %K=? 212Th 30 ms 0+ %α=100, %K+%β+ ~ 0.3 213Th 140 ms %α < 100 214Th 100 ms 0+ %α=100 215Th 1.2 s (1/2- ) %α=100 216Th 0.028 s 0+ %α=100, %K+%β+ ~ 0.01 sys 216m1Th 180 μs (8+,11- ) 217Th 0.252 ms (9/2+ ) %α=100 218Th 109 ns 0+ %α=100 219Th 1.05 μs %α=100, %K+%β+ ~ 1E-7 220Th 9.7 μs 0+ %α=100, %K=2E-7 sys221Th 1.68 ms (7/2+ ) %α=100 222Th 2.8 ms 0+ %α=100 223Th 0.60 s (5/2)+ %α=100 224Th 1.05 s 0+ %α=100 225Th 8.72 m (3/2)+ %α ~ 90, %K ~ 10 226Th 30.57 m 0+ %α=100 227Th 18.72 d (1/2+ ) %α=100 228Th 1.9116 a 0+ %α=100, %20O=1.13E-11 229Th 7340 a 5/2+ %α=100 230Th 7.538e+4 a 0+ %α=100, %24NE=5.6E-11 , %SF < 3.8E-12 231Th 25.52 h 5/2+ %β-=100, %α ~ 1E-8 232Th 1.405e10 a 0+ %Abundance=100, %α=100 , %SF<1.8E-9 233Th 22.3 m 1/2+ %β-=100 234Th 24.10 d 0+ %β-=100 235Th 7.1 m (1/2+ ) %β-=100 236Th 37.5 m 0+ %β-=100 237Th 5.0 m %β-=100 Protactinium Isotope Half-life Spin Parity Mode(s) or Abundance<212Pa 5.1 ms (3+ ) %α=? 213Pa 5.3 ms %α=? 214Pa 17 ms %α=?215Pa 14 ms %α=100 216Pa 0.20 s %K ~ 2 sys %α ~ 98 sys217Pa 4.9 ms %α =100 217m1Pa 1.6 ms %α < 100 218Pa 0.12 ms %α=100 219Pa 53 ns 9/2- %α=100, %K+%β+ ~ 5E-9 220Pa 0.78 μs %α=100, %K+%β+=3E-7 sys221Pa 5.9 μs 9/2- %α=100222Pa 2.9 ms %α=100 223Pa 6.5 ms %α=100, %K+%β+ < 1.0E-3 224Pa 0.79 s %α=100 225Pa 1.7 s %α=100 226Pa 1.8 m %α=74 , %K+%β+=26 227Pa 38.3 m (5/2- ) %α=85 , %K=15 228Pa 22 h 3+ %K+%β+=98.0 , %α=2.0 229Pa 1.50 d (5/2+ ) %K=99.52 , %α=0.48 230Pa 17.4 d (2- ) %K+%β+=91.6 , %β-=8.4 , %α=0.0032 231Pa 32760 a 3/2- %α=100, %SF < 1.6E-11 232Pa 1.31 d (2- ) %β-=99.997 , %K=0.003 233Pa 26.967 d 3/2- %β-=100 234Pa 6.70 h 4+ %β-=100, %SF < 3E-10 234m1Pa 1.17 m (0- ) %β-=99.84 , %IT=0.16 , %SF < 1E-9 235Pa 24.5 m (3/2- ) %β-=100 236Pa 9.1 m 1(-) %β-=100 237Pa 8.7 m (1/2+ ) %β-=100 238Pa 2.3 m (3-) %β-=100, %SF < 2.6E-6 Uranium Isotope Half-life Spin Parity Mode(s) or Abundance218U 1.5 ms 0+ %α=100 219U 42 μs %α=? 220U 221U 222U 1.0 μs 0+ %α=100 223U 18 μs %α=? 224U 0.9 ms 0+ %α=100 225U 95 ms %α=100 226U 0.35 s 0+ %α=100 227U 1.1 m (3/2+ ) %α=100, %K+%β+ < 0.001 228U 9.1 m 0+ %K<5, %α>95229U 58 m (3/2+ ) %K+%β+ ~ 80, %α ~ 20 230U 20.8 d 0+ %α=100, %SF < 1.4E-10 231U 4.2 d (5/2- ) %K=100, %α ~ 0.0055 232U 68.9 a 0+ %α=100, %24NE=9E-11 233U 1.592e+5 a 5/2+ %α=100, %SF < 6E-11, %24NE < 9.5E-11 234U 2.455e+5 a 0+ %Abundance=0.0055, %α=100, %SF=1.64E-9 , %nE=9E-12 , %MG=1.4E-11 235U 7.038e+8 a 7/2- %Abundance=0.7200, %α=100, %SF=7.0E-9 , %20NE=8E-10 235m1U 25 m 1/2+ %IT=100 236U 2.342e7 a 0+ %α=100, %SF=9.4E-8 237U 6.75 d 1/2+ %β-=100 238U 4.468e+9 a 0+ %Abundance=99.2745, %α=100, %SF=5.45E-5 , %ββ=2.2E-10 238m1U 225 ns 0+ 238m2U 1 ns 239U 23.45 m 5/2+ %β-=100 240U 14.1 h 0+ %β-=100 241U 242U 16.8 m 0+ %β-=100 Neptunium Isotope Half-life Spin Parity Mode(s) or Abundance225Np 6 ms %α=? 226Np 35 ms %α=100227Np 0.51 s %α=100, %K+%β+ ~ 0.05 228Np 61.4 s %K=60 , %α=40 , %KSF=0.020 229Np 4.0 m %α > 50, %K < 50 230Np 4.6 m %K+%β+ < 97, %α > 3 231Np 48.8 m (5/2) %K=98 , %α=2 232Np 14.7 m (4+ ) %K+%β+=100 233Np 36.2 m (5/2+ ) %K=100, %α < 0.001 234Np 4.4 d (0+ ) %K+%β+=100 235Np 396.1 d 5/2+ %K=99.99740 , %α=0.00260 236Np 1.54e5 a (6-) %K=87.3 , %β-=12.5 , %α=0.16 236m1Np 22.5 h 1 %K=52 , %β-=48 237Np 2.144e+6 a 5/2+ %α=100, %SF < 2E-10 237m1Np 45 ns 238Np 2.117 d 2+ %β-=100 238m1Np 112 ns 239Np 2.3565 d 5/2+ %β-=100 240Np 61.9 m (5+) %β-=100 240m1Np 7.22 m 1(+) %β-=99.89 , %IT=0.11 241Np 13.9 m (5/2+ ) %β-=100 242Np 5.5 m (6) %β-=100 242m1Np 2.2 m (1+ ) %β-=100243Np 1.8 m (5/2- ) %β-=100 244Np 2.29 m (7-) %β-=100 Plutonium Isotope Half-life Spin Parity Mode(s) or Abundance228Pu 4 ms 0+ %α=100 229Pu %α=? 230Pu 0+ %α=? 231Pu 232Pu 34.1 m 0+ %K=77 , %α=23 233Pu 20.9 m %K+%β+=99.88 , %α=0.12 234Pu 8.8 h 0+ %K ~ 94, %α ~ 6 234m1Pu 3 ns 235Pu 25.3 m (5/2+ ) %K+%β+=99.9973 , %α=0.0027 235m1Pu 25 ns 236Pu 2.858 a 0+ %α=100, %SF=1.37E-7 236m1Pu 37 ps (0+ ) 236m2Pu 34 ns 237Pu 45.2 d 7/2- %α=0.0042 , %K=99.9958 237m1Pu 0.18 s 1/2+ %IT=100 237m2Pu 85 ns 237m3Pu 1.1 μs 238Pu 87.7 a 0+ %α=100, %SF=1.85E-7 , %MG ~ 6E-15, %SI ~ 1.4E-14 238m1Pu 0.6 ns 238m2Pu 6.0 ns (0+ ) 239Pu 24110 a 1/2+ %α=100, %SF=3.0E-10 239m1Pu 7.5 μs (5/2+ ) 239m2Pu 2.6 ns (9/2- ) 240Pu 6563 a 0+ %α=100 , %SF=5.75E-6 241Pu 14.35 a 5/2+ %β-=99.998, %α=0.00245 , %SF ~ 2.4E-14 241m1Pu 21 μs 241m2Pu 32 ns 242Pu 3.733e+5 a 0+ %α=100 , %SF=5.54E-4 243Pu 4.956 h 7/2+ %β-=100 243m1Pu 45 ns 244Pu 8.08e+7 a 0+ %α=99.879 , %SF=0.121 , %ββ < 3E-11245Pu 10.5 h (9/2- ) %β-=100 245m1Pu 90 ns 246Pu 10.84 d 0+ %β-=100247Pu 2.27 d %β-=100 Americium Isotope Half-life Spin Parity Mode(s) or Abundance232Am 79 s %K ~ 98, %α ~ 2, %KSF=0.069 233Am 234Am 2.32 m %K=99.961 , %α=0.039 , %KSF=0.0066 235Am 15 m %K+%β+=?, %α=? 236Am %K=?, %α=? 237Am 73.0 m 5/2(-) %α=0.025 , %K=99.975 237m1Am 5 ns 238Am 98 m 1+ %K+%β+>99.99, %α=1.0E-4 238m1Am 35 μs 239Am 11.9 h (5/2)- %K=99.990 , %α=0.010 239m1Am 163 ns (7/2+ ) 240Am 50.8 h (3-) %K=100, %α=1.9E-4 241Am 432.2 a 5/2- %α=100, %SF=4.3E-10 241m1Am 1.2 μs 242Am 16.02 h 1- %β-=82.7 , %K=17.3 242m1Am 141 a 5- %IT=99.541 , %α=0.459 , %SF < 4.7E-9 242m2Am 14.0 ms %SF=?, %IT=? 243Am 7370 a 5/2- %α=100, %SF=3.7E-9 243m1Am 5.5 μs 244Am 10.1 h (6-) %β-=100 244m1Am 26 m 1+ %β-=99.9639 , %K=0.0361 245Am 2.05 h (5/2)+ %β-=100 245m1Am 0.64 μs 246Am 39 m (7-) %β-=100 246m1Am 25.0 m 2(-) %β-=100, %IT<0.01 246m2Am 73 μs 247Am 23.0 m (5/2) %β-=100 Curium Isotope Half-life Spin Parity Mode(s) or Abundance238Cm 2.4 h 0+ %K=96.16 , %α=3.84 239Cm 2.9 h (7/2- ) %K= 100, %α < 0.1 240Cm 27 d 0+ %α > 99.5 , %K < 0.5 , %SF=3.9E-6 241Cm 32.8 d 1/2+ %K=99.0 , %α=1.0 241m1Cm 15.3 ns 242Cm 162.8 d 0+ %α=100, %SF=6.37E-6 242m1Cm 40 ps 242m2Cm 0.18 μs 243Cm 29.1 a 5/2+ %α=99.71 , %K=0.29 , %SF=5.3E-9 243m1Cm 42 ns 244Cm 18.10 a 0+ %α=100, %SF=1.371E-4 244m1Cm 34 ms 6+ %IT=100, %SF < 7.7E-10 245Cm 8500 a 7/2+ %α=100, %SF=6.1E-7 245m1Cm 13.2 ns 246Cm 4730 a 0+ %α=99.9737 , %SF=0.0263 247Cm 1.56e+7 a 9/2- %α=100 248Cm 3.40e+5 a 0+ %α=91.61 , %SF=8.39 249Cm 64.15 m 1/2(+) %β-=100 250Cm 9000 a 0+ %SF ~ 86, %α ~ 8, %β- ~ 6 251Cm 16.8 m (1/2+ ) %β-=100 252Cm 2 d 0+ %β-=100 Berkelium Isotope Half-life Spin Parity Mode(s) or Abundance238Bk 144 s %K+%β+=100, %KSF=0.048 239Bk (7/2+ ) 240Bk 4.8 m %K+%β+=100, %KSF=1E-3 sys241Bk (7/2+ ) 242Bk 7.0 m %K+%β+=100 242m1Bk 9.5 ns 242m2Bk 0.60 μs 243Bk 4.5 h (3/2- ) %K ~ 99.85, %α ~ 0.15 243m1Bk 5 ns 244Bk 4.35 h (1- ) %K=99.994 , %α=0.006 245Bk 4.94 d 3/2- %K=99.88 , %α=0.12 245m1Bk 2 ns 246Bk 1.80 d 2(-) %K=100, %α<0.2 sys247Bk 1380 a (3/2- ) %α < 100248Bk 9 a (6+) %α>70 248m1Bk 23.7 h 1(-) %β-=70 , %K=30 , %α<0.001 249Bk 320 d 7/2+ %β-=99.99855 , %α=0.00145 , %SF=4.76E-8 250Bk 3.217 h 2- %β-=100 251Bk 55.6 m (3/2- ) %β-=100, %α ~ 1E-5 Californium Isotope Half-life Spin Parity Mode(s) or Abundance237Cf 2.1 s %SF ~ 10 sys238Cf 21 ms 0+ %SF ~ 100 sys 239Cf 39 s %α=? 240Cf 1.06 m 0+ %α=87 , %SF ~ 13 241Cf 3.78 m %K ~ 75, %α ~ 25 242Cf 3.49 m 0+ %α=65 , %SF < 1.4E-2 243Cf 10.7 m (1/2+ ) %K ~ 86, %α ~ 14 244Cf 19.4 m 0+ %α=70 245Cf 45.0 m (5/2+ ) %K=64 , %α=36 246Cf 35.7 h 0+ %α=99.9996 , %SF=2.3E-4 , %K<5E-4 246m1Cf 45 ns 247Cf 3.11 h (7/2+ ) %K=99.965 , %α=0.035 248Cf 333.5 d 0+ %α=99.9971 , %SF=0.0029 249Cf 351 a 9/2- %α=100, %SF=4.4E-7 250Cf 13.08 a 0+ %α=99.923 , %SF=0.077 251Cf 898 a 1/2+ %α=100 252Cf 2.645 a 0+ %α=96.908 , %SF=3.092 253Cf 17.81 d (7/2+ ) %β-=99.69 , %α=0.31 254Cf 60.5 d 0+ %SF=99.69 , %α=0.31 255Cf 85 m (9/2+ ) %β-=100 256Cf 12.3 m 0+ %SF=100, %β-<1 sys %α ~ 1E-6 sys Einsteinium Isotope Half-life Spin Parity Mode(s) or Abundance241Es 9 s %α=100 242Es 40 s %α ~ 100, %KSF=1.4 243Es 21 s %K < 70, %α > 30 244Es 37 s %K=96 , %α=4 , %KSF=0.01 sys245Es 1.1 m (3/2- ) %K=60 , %α=40 246Es 7.7 m (4-,6+) %K=90.1 , %α=9.9 , %KSF=0.003 sys 247Es 4.55 m (7/2+ ) %K ~ 93, %α ~ 7 248Es 27 m (2-,0+ ) %K>99, %α ~ 0.25, %KSF=3E-5 sys249Es 102.2 m 7/2(+) %K=99.43 , %α=0.57 250Es 8.6 h (6+) %K > 97, %α < 3 sys250m1Es 2.22 h 1(-) %K > 99, %α < 1 sys251Es 33 h (3/2- ) %K=99.51 , %α=0.49 252Es 471.7 d (5-) %α=76 , %K=24 , %β- ~ 0.01 253Es 20.47 d 7/2+ %α=100, %SF=8.9E-6 254Es 275.7 d (7+) %α=100, %K<1E-4, %β-=1.74E-6 , %SF<3E-6 254m1Es 39.3 h 2+ %β-=98 , %α=0.33 , %IT<3, %K=0.078 , %SF<0.045 255Es 39.8 d (7/2+ ) %β-=92.0 , %α=8.0 , %SF=0.0045 256Es 25.4 m (1+ ) %β-=100 256m1Es 7.6 h (8+) %β- ~ 100, %β-SF=0.002 Fermium Isotope Half-life Spin Parity Mode(s) or Abundance242Fm 0.8 ms 0+ %SF=100 243Fm 0.18 s %α < 100, %SF < 0.5, %K=? 244Fm 3.3 ms 0+ %SF=100245Fm 4.2 s %α=100, %SF < 0.11 246Fm 1.1 s 0+ %α=92 , %SF=7.3 , %K<1 sys247Fm 35 s %α > 50, %K+%β+ < 50 247m1Fm 9.2 s %α < 100 248Fm 36 s 0+ %α=93 , %K ~ 7, %SF=0.10 249Fm 2.6 m (7/2+ ) %K ~ 85 sys %α ~ 15 sys250Fm 30 m 0+ %α>90, %K<10, %SF=0.0069 250m1Fm 1.8 s %IT>80, %SF < 8E-5 251Fm 5.30 h (9/2- ) %K=98.20 , %α=1.80 252Fm 25.39 h 0+ %α=99.9977 , %SF=0.00232 253Fm 3.00 d 1/2+ %K=88 , %α=12 254Fm 3.240 h 0+ %α=99.9408 , %SF=0.0592 255Fm 20.07 h 7/2+ %α=100, %SF=2.3E-5 256Fm 157.6 m 0+ %SF=91.9 , %α=8.1 257Fm 100.5 d (9/2+ ) %α=99.790 , %SF=0.210 258Fm 370 μs 0+ %SF=100 259Fm 1.5 s %SF=100 Mendelevium Isotope Half-life Spin Parity Mode(s) or Abundance245Md 0.35 s (7/2) %α=100 245m1Md 0.90 ms (1/2- ) 246Md 1.0 s %α=100 247Md 1.12 s %α=80 , %SF=20 248Md 7 s %K=80 , %α=20 , %SF < 0.05 249Md 24 s %K=80 , %α=20 250Md 52 s %K=93 , %α=7 , %KSF=0.02 sys 251Md 4.0 m %K > 90, %α < 10 252Md 2.3 m %K>50, %α<50 253Md 6 m %K+%β+=100 254Md 10 m %K < 100 254m1Md 28 m %K < 100 255Md 27 m (7/2- ) %K=92 , %α=8 , %SF < 1.4 256Md 78.1 m (0-,1- ) %K=90.7 , %α=9.3 , %SF < 2.8 257Md 5.52 h (7/2- ) %K=85 , %α=15 , %SF<1 258Md 51.5 d (8-) %α=100, %SF < 0.003, %β- < 0.003, %K < 0.003 258m1Md 57.0 m (1- ) %K > 70, %SF < 30, %α < 1.2, %β- < 30 259Md 96 m (7/2- ) %SF ~ 100, %α<1.3 260Md 31.8 d %SF>73, %α < 25, %β- < 10 Nobelium Isotope Half-life Spin Parity Mode(s) or Abundance250No 0.25 ms 0+ %SF=100, %α ~ 0.05 sys 251No 0.8 s %α ~ 100, %K ~ 1 sys%SF < 8 252No 2.30 s 0+ %α=73.1 , %SF=26.9 253No 1.7 m (9/2- ) %α ~ 80, %K ~ 20 sys254No 55 s 0+ %α=90 , %K=10 , %SF=0.17 254m1No 0.28 s %IT>80 255No 3.1 m (1/2+ ) %α=61.4 , %K=38.6 256No 2.91 s 0+ %α=99.5 , %SF=0.53 +8-4 257No 25 s (7/2+ ) %α ~ 100 258No 1.2 ms 0+ %SF=100, %α ~ 1E-3 sys259No 58 m (9/2+ ) %α=75 , %K=25 , %SF<10 260No 106 ms 0+ %SF=100 261No 262No 5 ms 0+ %SF=? Lawrencium Isotope Half-life Spin Parity Mode(s) or Abundance253Lr 1.3 s %α=98 , %K ~ 1 sys%SF < 1 254Lr 13 s %α=78 , %K=22 , %SF < 0.16 255Lr 22 s %α=85 , %K<30, %SF<0.10 256Lr 28 s %α>80, %K<20, %SF<0.026 257Lr 0.646 s (9/2+ ) %α=100, %SF < 6.5E-4 258Lr 3.9 s %α>95, %K<5, %SF < 5.0 259Lr 6.3 s %α=77 , %SF=23 , %K<0.5 260Lr 180 s %α=75 , %K=25 261Lr 39 m %SF < 100 262Lr 216 m %SF<10 Rutherfordium Isotope Half-life Spin Parity Mode(s) or Abundance253Rf 1.8 s %SF ~ 50, %α ~ 50 253m1Rf 50 μs 254Rf 0.5 ms 0+ %SF=100, %α ~ 0.3 sys254m1Rf 23 μs 255Rf 1.5 s (9/2- ) %SF=52 , %α=48 256Rf 6.7 ms 0+ %SF=98 +2- 7 , %α=2.2 +73-18 257Rf 4.7 s (7/2+ ) %α=79.6 , %K=18 , %SF=2.4 258Rf 12 ms 0+ %SF ~ 87, %α ~ 13 259Rf 3.1 s %α=93 , %SF=7 , %K ~ 0.3 260Rf 20.1 ms 0+ %SF=100 261Rf 65 s %α>80, %SF<10, %K < 10 sys262Rf 2.1 s 0+ %SF=100 262m1Rf 47 ms [2+ ] Dubnium Isotope Half-life Spin Parity Mode(s) or Abundance255Db 1.6 s %α>47, %SF < 53 256Db 2.6 s %SF < 40, %α ~ 70, %K ~ 10 sys257Db 1.3 s %α=82 , %SF=17 , %K=1 sys258Db 4.4 s %α=67 +5-9 , %K=33 +9-5, %SF<34 258m1Db 20 s %K ~ 100 259Db 260Db 1.52 s %α > 90.4 , %SF ~ 9.6 , %K<2.5 261Db 1.8 s %α>50, %SF<50 262Db 34 s %α ~ 64, %SF ~ 33, %K ~ 3 sys263Db 27 s %SF=57 , %α=43 Seaborgium Isotope Half-life Spin Parity Mode(s) or Abundance258Sg 2.9 ms 0+ %SF=100 259Sg 0.48 s (1/2+ ) %α=90 , %SF < 20 260Sg 3.6 ms 0+ %α=50 +30-20 , %SF=50 +20-30 261Sg 0.23 s %α=95 , %SF<10 262Sg 0+ 263Sg 0.8 s %SF ~ 70, %α ~ 30 263m1Sg 0.31 s [9/2+] 264Sg 0+ 265Sg 10 s [1/2+ ] %α>50, %SF<50266Sg 21 s 0+ %α=50 , %SF=50 Bohrium Isotope Half-life Spin Parity Mode(s) or Abundance261Bh 11.8 ms %α=95 , %SF<10 262Bh 102 ms %α > 80, %SF < 20 262m1Bh 8.0 ms %α > 70, %SF < 30 263Bh 264Bh 0.44 s %α=100 Hassium Isotope Half-life Spin Parity Mode(s) or Abundance264Hs 0.85 ms 0+ %α ~ 100, %SF < 1.5 265Hs 0.9 ms %α=? 265m1Hs 1.55 ms [1/2+ ] %α ~ 100, %SF<9266Hs 0+ 267Hs 26 ms [9/2+ ] %α=100 268Hs 0+ 269Hs 9 s [3/2+ ] %α=100 Meitnerium Isotope Half-life Spin Parity Mode(s) or Abundance266Mt 0.8 ms %α=100 266m1Mt 3.8 ms %α=100, %SF < 5.5 267Mt 268Mt 0.07 s [5+,6+] %α=100 Darmstadtium Isotope Half-life Spin Parity Mode(s) or Abundance267Ds 3 μs [11/2- ] %α=100 268Ds 0+ 269Ds 0.17 ms [1/2+ ] %α=100 270Ds 0+ 271Ds 0.06 s [3/2+ ] %α=100 271m1Ds 1.1 ms [9/2+ ] %α=100 272Ds 0+ 273Ds 0.18 ms [3/2+ ] %α=100 273m1Ds 120 ms [13/2- ] %α=100 Roentgenium Isotope Half-life Spin Parity Mode(s) or Abundance272Rg 1.5 ms [5+,6+] %α=100 Copernicium Isotope Half-life Spin Parity Mode(s) or Abundance277Cn 0.24 ms [3/2+ ] Flerovium Isotope Half-life Spin Parity Mode(s) or Abundance285Fl 0.58 ms %α=?