NCEA Level 1 Science/The structure of matter/Periodic Table

==Periodic Table== Group 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18   I A II A III B IV B V B VI B VII B ← VIII B → I B II B III A IV A V A VI A VII A VIII A Period   1 hydrogen1 H 1.0079   helium2 He 4.0026 2 lithium3 Li 6.941 beryllium4 Be 9.0122   boron5 B 10.881 carbon6 C 12.011 nitrogen7 N 14.007 oxygen8 O 15.999 fluorine9 F 18.998 neon10 Ne 20.180 3 sodium11 Na 22.990 magnesium12 Mg 24.305   aluminum13 Al 26.982 silicon14 Si 28.086 phosphorus15 P 30.974 sulfur16 S 32.067 chlorine17 Cl 35.453 argon18 Ar 39.948 4 potassium19 K 39.098 calcium20 Ca 40.078 scandium21 Sc 44.956 titanium22 Ti 47.867 vanadium23 V 50.942 chromium24 Cr 51.996 manganese25 Mn 54.938 iron26 Fe 55.845 cobalt27 Co 58.933 nickel28 Ni 58.693 copper29 Cu 63.546 zinc30 Zn 65.39 gallium31 Ga 69.723 germanium32 Ge 72.61 arsenic33 As 74.922 selenium34 Se 78.96 bromine35 Br 79.904 krypton36 Kr 83.80 5 rubidium37 Rb 85.468 strontium38 Sr 87.62 yttrium39 Y 88.906 zirconium40 Zr 91.224 niobium41 Nb 92.906 molybdenum42 Mo 95.94 technetium43 Tc [98] ruthenium44 Ru 101.07 rhodium45 Rh 102.91 palladium46 Pd 106.42 silver47 Ag 107.87 cadmium48 Cd 112.41 indium49 In 114.82 tin50 Sn 118.71 antimony51 Sb 121.760 tellurium52 Te 127.60 iodine53 I 126.90 xenon54 Xe 131.29 6 caesium55 Cs 132.91 barium56 Ba 137.33 * lutetium71 Lu 174.97 hafnium72 Hf 178.49 tantalum73 Ta 180.95 tungsten74 W 183.84 rhenium75 Re 186.21 osmium76 Os 190.23 iridium77 Ir 192.22 platinum78 Pt 195.08 gold79 Au 196.97 mercury80 Hg 200.59 thallium81 Tl 204.383 lead82 Pb 207.2 bismuth83 Bi 208.980 polonium84 Po [209] astatine85 At [210] radon86 Rn [222] 7 francium87 Fr [223] radium88 Ra [226] ** lawrencium103 Lr [262] rutherfordium104 Rf [267] dubnium105 Db [268] seaborgium106 Sg [271] bohrium107 Bh [270] hassium108 Hs [277] meitnerium109 Mt [276] darmstadtium110 Ds [281] roentgenium111 Rg [280] ununbium112 Cn [285] ununtrium113 Uut [284] ununquadium114 Uuq [289] ununpentium115 Uup [288] ununhexium116 Uuh [293] ununseptium117 Uus [291]*** ununoctium118 Uuo [294] * Lanthanoids lanthanum57 La 138.91 cerium58 Ce 140.12 praseodymium59 Pr 140.91 neodymium60 Nd 144.24 promethium61 Pm [145] samarium62 Sm 150.36 europium63 Eu 151.96 gadolinium64 Gd 157.25 terbium65 Tb 158.93 dysprosium66 Dy 162.50 holmium67 Ho 164.93 erbium68 Er 167.26 thulium69 Tm 168.93 ytterbium70 Yb 173.04 ** Actiniods actinium89 Ac [227] thorium90 Th 232.04 protactinium91 Pa 231.04 uranium92 U 238.03 neptunium93 Np [237] plutonium94 Pu [244] americium95 Am [243] curium96 Cm [247] berkelium97 Bk [247] californium98 Cf [251] einsteinium99 Es [252] fermium100 Fm [257] mendelevium101 Md [258] nobelium102 No [259] *** This atomic mass is only estimated Atomic masses in brackets are the most stable isotope. Chemical Series of the Periodic Table Alkali metals Alkaline earths Lanthaniods Actinoids Transition metals Poor metals Metalloids Nonmetals Halogens Noble gases