Chemistry Polyatomic ion charges

Acetate

Acetate

C₂H₃O₂⁻

bicarbonate (hydrogen carbonate)

HCO₃⁻

Chlorate

ClO₃⁻

Chlorite

ClO₂⁻

Hypochlorite

ClO⁻

Perchlorate

ClO₄⁻

Cyanide

CN⁻

Hydroxide

OH⁻

Nitrate

NO₃⁻

Nitrite

NO₂⁻

Permanganate

MnO₄⁻

Carbonate

CO₃⁻²

Chromate

CrO₄⁻²

Dichromate

Cr₂O₇⁻²

Oxylate

C₂O₄⁻²

Peroxide

O₂⁻²

Sulfate

SO₄⁻²

Sulfite

SO₃⁻²

Phosphate

PO₄⁻³

Ammonium

NH₄⁺