Ammonium
NH4 (+)
Hydronium
H3O (+)
Acetate
C2H3O2 (-) or CH3COO (-)
Carbonate
CO3 (2-)
Bicarbonate or hydrogen Carbonate
HCO3 (-)
Perchlorate
ClO4 (-)
Chlorate
ClO3 (-)
Chlorite
ClO2 (-)
Cyanide
CN (-)
Hydroxide
OH (-)
Nitrate
NO3 (-)
Nitrite
NO2 (-)
Permanganate
MnO4 (-)
Phosphate
PO4 (3-)
Biphosphate or hydrogen phosphate
HPO4 (2-)
Dihydrogen phosphate
H2PO4 (-)
Sulfate
SO4 (-2)
Bisulfate or hydrogen sulfate
HSO4 (-)
Sulfite
SO3 (2-)