411 REFERENCE · Wiktionary
OII
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
oii Oii O II O-II
Translingual
Alternative forms
mul O-II O II OII
Etymology
mul O en oxygen+mul II 2
Symbol
mul symbol OII
mul chemistry spectroscopy singly-ionized oxygen; an atomic oxygen ion needing 1 electron to become neutral
Synonyms
O+
O1+
Related terms
mul OIII<t:doubly-ionized atomic oxygen> OI<t:neutral atomic oxygen> O<t:oxygen>
Descendants
en OII emission line OII emission line O-II emission line O II emission line
See also
mul O2<t:dioxygen, molecular oxygen>
mul Oxygen