CHEM 1A03 - Polyatomic Ions

Ammonium ion

NH₄⁺

Acetate ion

CH₃COO^-

Carbonate ion

CO₃^2-

Hydrogen carbonate ion

HCO₃^-

Hypochlorite ion

ClO^-

Chlorite ion

ClO₂^-

Chlorate ion

ClO₃^-

Perchlorate ion

ClO₄^-

Chromate ion

CrO₄^2-

Dichromate ion

Cr₂O₇^2-

Cyanide ion

CN^-

Hydroxide ion

OH^-

Nitrite ion

NO₂^{- N}

Nitrate ion

NO₃^-

Oxalate ion

C₂O₄^2-

Permanganate ion

MnO₄^-

Phosphate ion

PO₄^3-

Hydrogen phosphate ion

HPO₄ ^2-

Dihydrogen phosphate ion

H₂PO₄^-

Sulfite ion

SO₃ ^2-

Hydrogen sulfite ion

HSO₃^-

Sulfate ion

SO₄^2-

Hydrogen sulfate ion

HSO₄^-

Thiosulfate ion

S₂O₃^2-