Polyatomic Ions

Acetate

Acetate

C₂H₃O₂^-1

Ammonium

NH₄⁺¹

Carbonate

CO₃^-2

Chlorate

ClO₃^-1

Chlorite

ClO₂^-1

Chromate

CrO₄^-2

Cyanide

CN^-1

Dichromate

Cr₂O₇^-2

Hydroxide

OH^-1

Bicarbonate

HCO₃^-1

Bisulfate

HSO₄^-1

Hypochlorite

ClO^-1

Nitrate

NO₃^-1

Nitrite

NO₂^-1

Oxalate

C₂O₄^-2

Perchlorate

ClO₄^-1

Permanganate

MnO₄^-1

Peroxide

O₂^-2

Phosphate

PO₄^-3

Sulfate

SO₄^-2

Sulfite

SO₃^-2