Ammonium
[NH4]+
Acetate
[C2H3O2]-
Acetate
[CH3COO]-
Carbonate
[CO3]2-
Chlorate
[ClO3]-
Chlorite
[ClO2]-
Hydroxide
[OH]-
Nitrate
[NO3]-
Nitrite
[NO2]-
Phosphate
[PO4]3-
Sulfate
[SO4]2-
Sulfite
[SO3]2-
Chromate
[CrO4]2-
Cyanide
[CN]-
Dichromate
[Cr2O7]2-
Hydrogen carbonate, bicarbonate
[HCO3]-
Hypochlorite
[ClO]-
Hypochlorite
[OCl]-
Perchlorate
[ClO4]-
Permanganate
[MnO4]-
Peroxide
[O2]2-