Common Polyatomic Ions Ch 5 Chem

Acetate

Acetate

C₂H₃O₂^-

Carbonate

CO₃^2-

Hydrogen carbonate / bicarbonate

HCO₃^-

Hydroxide

OH^-

Nitrate

NO₃^-

Nitrite

NO₂^-

Chromate

CrO₄^2-

Dichromate

CrO₇^2-

Phosphate

PO₄^3-

Hydrogen phosphate

HPO₄^2-

Ammonium

NH₄⁺

Hypochlorite

ClO^-

Chlorite

ClO₂^-

Chlorate

ClO₃^-

Perchlorate

ClO₄^-

Permanganate

MnO₄^-

Sulfate

SO₄^2-

Sulfite

SO₃^2-

Hydrogen sulfite / bisulfite

HSO₃^-

Hydrogen sulfate / bisulfate

HSO₄^-

Peroxide

O₂^2-

Cyanide

CN^-