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Common Polyatomic Ions

Ammonium NH4 +
Hydroxide OH -
Hydronium H3O +
Cyanide CN -
Thiocyanate SCN -
Permaganate MnO4 -
Acetate C2H3O2 -
Formate CHO2 -
Oxalate C2O4 2-
Chromate CrO4 2-
Dichromate Cr2O7 2-
Carbonate CO3 2-
Bicarbonate HCO3 -
Silicate SiO3 2-
Sulfate SO4 2-
Thiosulfate S2O3 2-
Bisulfate HSO4 -
Sulfite SO3 2-
Bisulfite HSO3 -
Nitrate NO3 -
Nitrite NO2 -
Phosphate PO4 3-
Monohydrogen Phosphate HPO4 2-
Dihydrogen Phosphate H2PO4 -
Phosphite PO3 3-
Arsenate AsO4 3-
Asenite AsO3 3-
Perchlorate ClO4 -
Chlorate ClO3 -
Chlorite ClO2 -
Hypochlorite ClO -
Perbromate BrO4 -
Bromate BrO3 -
Bromite BrO2 -
Hypobromite BrO -
Periodate IO4 -
Iodate IO3 -
Iodite IO2 -
Hypoiodite IO -
Created by: 30415398