Polyatomic Ions

NH₄⁺

Ammonium

CH₃COO^-

Acetate

CN^-

Cyanide

OH^-

Hydroxide

CLO^-

Hypochlorite

CLO₂^-

Chlorite

CLO₃^-

Chlorate

CLO₄^-

Perchlorate

NO₂^-

Nitrite

NO₃^-

Nitrate

MnO₄^-

Permanganate

CO₃^2-

Carbonate

CrO₄^2-

Chromate

Cr₂O₇^-

Dichromate

O₂^2-

Peroxide

PO₄^3-

Phosphate

SO₃^2-

Sulfite

SO₄^2-

Sulfate

HCO₃^-

Bicarbonate

HSO₄^-

Bisulfate

H₂PO₄^-

Dihydrogen Phosphate

HPO₄^2-

Hydrogen Phosphate

PO₃^3-

Phosphite