Polyatomic Ions

C₂H₃O₂^-

acetate

NH₄⁺

ammonium

CO₃^2-

carbonate

ClO₃^-

chlorate

ClO₂^-

chlorite

CrO₄^2-

chromate

CN^-

cyanide

Cr₂O₇^2-

dichromate

ClCO₃^-

bicarbonate

HSO₄^-

bisulfate

HSO₃^-

bisulfite

OH^-

hydroxide

ClO^-

hypochlorite

NO₃^-

NO₂^-

C₂O₄^2-

oxalate

ClO₄^-

perchlorate

MnO₄^-

permanganate

PO₄^3-

phosphate

SO₄^2-

sulfate

SO₃^2-

sulfite