Ammonium
(NH4)+
Acetate
(CH3COO)-
Arsenate
(AsO4)3-
Azide
(N3)-
Carbonate
(CO3)2-
Chlorate
(ClO3)-
Chlorite
(ClO2)-
Chromate
(CrO4)2-
Cyanide
(CN)-
Dichromate
(Cr2O7)2-
Bicarbonate
(HCO3)-
Hydroxide
(OH)-
Hypochlorite
(ClO)-
Nitrate
(NO3)-
Nitrite
(NO2)-
Oxalate
(C2O4)2-
Perchlorate
(ClO4)-
Pergamanate
(MnO4)-
Peroxide
(O2)2-
Phosphate
(PO4)3-
Sulfate
(SO4)2-
Sulfite
(SO3)2-
Thiocyanate
(SCN)-
Thiosulfate
(S2O3)2-