hydroxide
OH, 1-
nitrate
NO3, 1-
sulfate
SO4, 2-
carbonate
CO3, 2-
ammonium
NH4, 1+
phosphate
PO4, 3-
hydrogen carbonate
HCO3, 1-
hydrogen sulfate
HSO4, 1-
nitrite
NO2, 1-
peroxide
O2, 2-
acetate
CH3COO, 1-
arsenate
AsO3, 3-
dimercury
Hg2, 2+
bromate
BrO3, 1-
chromate
CrO4, 2-
phosphite
PO3, 3-
chlorate
ClO3, 1-
dichromate
Cr2O7, 2-
chlorite
ClO2, 1-
hydrogen phosphate
PO4, 3-
cyanide
CH, 1-
oxalate
C2O4, 2-
dihydrogen phosphate
H2PO4, 1-
silicate
SiO3, 2-