Ammonium
(NH4)+
Hydronium
(H3O)+
Acetate
(C2H3O2)-
Hydroxide
(OH)-
Cyanide
(CN)-
Permanganate
(MnO4)-
Hypochlorite
(ClO)-
Chlorite
(ClO2)-
Chlorate
(ClO3)-
Perchlorate
(ClO4)-
Hydrogen carbonate (bicarbonate)
(HCO3)-
Bromate
(BrO3)-
Nitrate
(NO3)-
Nitrite
(NO2)-
Dihydrogen phosphate
(H2PO4)-
Iodate
(IO3)-
Hydrogen sulfate (bisulfate)
(HSO4)-
Hydrogen sulfite (bisulfite)
(HSO3)-
Carbonate
(CO3)2-
Dichromate
(Cr2O7)2-
Oxalate
(C2O4)2-
Peroxide
(O2)2-
Sulfate
(SO4)2-
Sulfite
(SO3)2-
Hydrogen phosphate
(HPO4)2-
Chromate
(CrO4)2-
Silicate
(SiO3)2-
Phosphate
(PO4)3-
Phosphite
(PO3)3-