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Polyatomic Ion

List of Common Polyatomic Ions and Charges

QuestionAnswer
hypochlorite ClO 1-
arsenite AsO33-
chlorite ClO2 1-
selenite SeO3 2-
chlorate ClO3 1-
chromate CrO4 2-
perchlorate ClO41-
carbonate CO3 2-
hydroxide OH 1-
acetate CH3CO21-
sulfite SO3 2-
cyanate OCN 1-
sulfate SO4 2-
cyanide CN 1-
permanganate MnO41-
dichromate Cr2O7 2-
phosphate PO4 3-
phosphite PO3 3-
hypobromite BrO 1-
thiosulfate S2O3 2-
bromite BrO2 1-
arsenate AsO4 3-
bromate BrO3 1-
ammonium NH4 1+
nitrite NO2 1-
nitrate NO3 1-
peroxide O2 2-
Created by: MatthewD
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