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Polyatomic Ions List

QuestionAnswer
Acetate CH3CO2 -or- C2H3O2
Carbonate CO32-
Chlorate ClO3-
Chlorite ClO2-
Perchlorate ClO4-
Hypochlorite ClO-
Cyanide CN-
Hydrogen Carbonate HCO3-
Hydrogen Sulfate HSO4-
Hydroxide OH-
Peroxide O22-
Nitrate NO3-
Nitrite NO2-
Phosphate PO43-
Phosphite PO33-
Hydrogen Phosphate HPO42-
Dihydrogen Phosphate H2PO4-
Sulfate SO42-
Sulfite SO32-
Thiosulfate S2O32-
Iodate IO3-
Periodate IO4-
Permanganate MnO4-
Chromate CrO42-
Dichromate Cr2O42-
Arsenate AsO43-
Bromate BrO3-
Ammonium NH4+
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