Polyatomic anions

This is a short list of some common polyatomic anions.

OH^-

hydroxide ion

CH₃COO^-

acetate ion

NO₂^-

nitrite ion

NO₃^-

nitrate ion

SO₃^2-

sulfite ion

HSO₃^-

hydrogen sulfite ion

SO₄^2-

sulfate ion

HSO₄^-

hydrogen sulfate ion

CN^-

cyanide ion

CO₃^2-

carbonate ion

HCO₃^-

bicarbonate ion

PO₄^3-

phosphate ion

HPO₄^2-

hydrogen phosphate ion

H₂PO₄^-

dihydrogen phosphate ion

ClO^-

hypochlorite ion

ClO₃^-

chlorate ion

ClO₄^-

perchlorate ion

MnO₄^-

permanganate ion

NH₄⁺

ammonium ion