CHEM 108 Polyatomic Ions

OH^-

hydroxide

NH₄⁺

Ammonium

NO₂^-

nitrite

NO₃^-

nitrate

ClO^-

hypochlorite

ClO₂^-

Chlorite

ClO₃^-

chlorate

ClO₄^-

perchlorate

CO₃^2-

Carbonate

HCO₃^-

hydrogen carbonate (or bicarbonate)

CN^-

cyanide

C₂H₃O₂^-

acetate

SO₃^2-

sulfite

SO₄^2-

sulfate

HSO₃^-

hydrogen sulfite (or bisulfite)

HSO₄^-

hydrogen sulfate (or bisulfate)

PO₃^3-

phosphite

PO₄^3-

phosphate

HPO₄^2-

hydrogen phosphate

H₂PO₄^-

Dihydrogen phosphate