NH4 (+1)
ammonium ion, cation
Hg2 (2+)
mercury (I) ion, cation
UO2(2+)
uranyl ion, cation
VO(2+)
vanadyl ion, cation
OH(–1)
hydroxide ion, anion
BO3(3–)
borate ion, anion
HCO2(–1)
formate ion, anion
C2H3O2(–1)
OR
CH3COO(–1)
acetate ion, anion
C2O4(2–)
oxylate ion, anion
CO3(2–)
carbonate ion, anion
CN(–1)
cyanide ion, anion
OCN(–1)
cyanate ion, anion
CNO(–1)
fulminate ion, anion
SCN(–1)
thiocyanate ion
HCO3(–1)
bicarbonate or hydrogen carbonate ion, anion
SiO3(2–)*** not same as silicon
silicate ion, anion
NO3(–1)
nitrate ion, anion
NO2(–1)
nitrite ion, anion
N3(–1)
azide ion, anion
O2(–1)
superoxide ion, anion
O2(2–)
peroxide ion, anion
PO4(3–)
phosphate ion, anion
HPO4(2–)
hydrogen phosphate ion, anion
H2PO4(–)
dihydrogen phosphate ion, anion