Applied Gen Chem: Common Polyatomic Ions

NH₄⁺

ammonium

CH₃CO₂^-

acetate

CN^-

cyanide

ClO^-

hypochlorite

ClO₂^-

chlorite

ClO₃^-

chlorate

ClO₄^-

perchlorate

H₂PO₄^-

Dihydrogen phosphate

HCO₃^-

Hydrogen carbonate (or bicarbonate)H

HSO₄^-

Hydrogen sulfate (or bisulfate)

OH^-

Hydroxide

MnO₄^-

Permanganate

NO₂^-

Nitrite

NO₃^-

Nitrate

CO₃^2-

Carbonate

CrO₄^2-

Chromate

Cr₂O₇^2-

Dichromate

O₂^2-

Peroxide

HPO₄^2-

Hydrogen phosphate

SO₃^2-

Sulfite

SO₄^2-

Sulfate

S₂O₃^2-

Thiosulfate

PO₄^3-

Phosphate