Chemistry- Polyatomic Ions

NH₄⁺

Ammonium

H₃O⁺

Hydronium

C₂H₃O₂^- (or CH₃COO^-)

Acetate

CN^-

Cyanide

OH^-

Hydroxide

ClO^-

Hypochlorite

ClO₂^-

Chlorite

ClO₃^-

Chlorate

ClO₄^-

Perchlorate

NO₂^-

Nitrite

NO₃^-

Nitrate

MnO₄^-

Permanganate

CO₃²⁻

Carbonate

HCO₃^-

Hydrogen Carbonate (Bicarbonate)

CrO₄^2-

Chromate

Cr₂O₇^2-

Dichromate

O₂^2-

Peroxide

PO₄^3-

Phosphate

HPO₄^2-

Hydrogen Phosphate

H₂PO₄^-

Dihydrogen Phosphate

SO₃^2-

Sulfite

SO₄^2-

Sulfate

HSO₄^-

Hydrogen Sulfate (Bisulfate)