Common Polyatomic Cation & Anions

NH₄⁺

1+; Ammonium ion

NO₃^-

1-; Nitrate

NO₂^-

1-; Nitrite

CH₃COO^-

HCO₃^-

1-; Bicarbonate

MnO₄^-

1-; Permanganate

OH^-

1-; Hydroxide

CN^-

1-; Cyanide

SO₄^2-

2-; Sulfate

SO₃^2-

2-; Sulfite

CO₃^2-

2-; Carbonate

ClO₄^-

1-; Perchlorate

ClO₃^-

1-; Chlorate

ClO₂^-

1-; Chlorite

ClO^-

1-; Hypochlorite

PO₄^3-

3-; Phosphate

PO₃^3-

3-; Phosphite