UNC CHEM101 Polyatomic Ions

CO₃^2-

Carbonate

HCO₃^-

Hydrogen carbonate

CH₃COO^-

Acetate

CN^-

Cyanide

SCN^-

Thiocyanate

ClO^-

Hypochlorite

ClO₂^-

Chlorite

ClO₃^-

Chlorate

ClO₄^-

Perchlorate

CrO₄^2-

Chromate

Cr₂O₇^2-

Dichromate

MnO₄^-

Permanganate

N₃^-

Azide

NH₄⁺

Ammonium

NO₂^-

Nitrite

NO₃^-

Nitrate

OH^-

Hydroxide

O₂^2-

Peroxide

PO₄^3-

Phosphate

HPO₄^2-

Hydrogen phosphate

H₂PO₄^-

Dihydrogen phosphate

S₂^2-

Disulfide

SO₃^2-

Sulfite

SO₄^2-

Sulfate

HSO₃^-

Hydrogen sulfite

HSO₄^-

Hydrogen sulfate