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Polyatomic Ions

Common polyatomic ions

Polyatomic IonFormula/Charge
ammonium NH4^+
hydronium H3O^+
mercury(I) Hg2^2+
acetate C2H3O2^-
azide N3^-
carbonate CO3^2-
chlorate ClO3^-
chlorite ClO2^-
chromate CrO4^2-
cyanide CN^-
dichromate Cr2O7^2-
dihydrogen phosphate H2PO4^-
hydrogen carbonate (or bicarbonate) HCO3^-
hydrogen phosphate HPO4^2-
hydrogen sulfate (or bisulfate) HSO4^-
hydroxide OH^-
hypochlorite ClO^-
nitrate NO3^-
nitrite NO2^-
oxalate C2O4^2-
perchlorate ClO4^-
permanganate MnO4^-
peroxide O2^2-
phosphate PO4^3-
phosphite PO3^3-
sulfate SO4^2-
sulfite SO3^2-
thiocyanate SCN^-
Created by: rackksave
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