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Polyatomic ions

Practice to remember

QuestionAnswer
Ammonium ion NH4 +
Hydronium H3O +
Nitrate NO3 -
Hypochlorite ClO -
Chlorite ClO2 -
Chlorate ClO3 -
Perchlorate ClO4 -
Sulfate SO4 -2
Sulfite SO3 -2
Bisulfate HSO3 -
Bicarbonate HCO3 -
Carbonate CO3 -2
Phosphate PO4 -3
Hydrogen phosphate HPO4 -2
dihydrogen phosphate H2PO4 -
chromate CrO4 -2
dichromate Cr2O7 -2
arsenate AsO4 -3
oxalate C2O4 -2
cyanide CN -
chromate CrO4 -2
dichromate Cr2O7 -2
acetate CH3COO -
Nitrite NO2 -
Created by: Buthless
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