NH4+
Ammonium
OH-
Hydroxide
CN-
Cyanide
CH3CO2-
Acetate
SO3^2-
Sulfite
SO4^2-
Sulfate
HSO4-
Hydrogen sulfate (bisulfate)
S2O3^2-
Thiosulfate
PO4^3-
Phosphate
HPO4^2-
Hydrogen phosphate
H2PO4-
Dihydrogen phosphate
SCN-
Thiocyanate
OCN-
Cyanate
NO2-
Nitrite
NO3-
Nitrate
ClO-
Hypochlorite
ClO2-
Chlorite
ClO3-
Chlorate
ClO4-
Perchlorate
CO3^2-
Carbonate
HCO3-
Hydrogen carbonate (bicarbonate)
C2O4^2-
Oxalate
Cr2O7^2-
Dichromate
CrO4^2-
Chromate