Common Anions

H^-

Hydride Ion

F^-

Fluoride Ion

Br^-

Bromide Ion

I^-

Iodide Ion

CN^-

Cyanide Ion

OH^-

Hydroxide Ion

O^2-

Oxide

O₂^2-

Peroxide Ion

S^2-

Sulfide Ion

N^3-

Nitride Ion

CH₃COO^- or C₂H₃O₂^-

Acetate Ion

ClO₃^-

Chlorate Ion

ClO₄^-

Perchlorate Ion

NO₃^-

Nitrate Ion

MnO₄^-

Permanganate Ion

CO₃^2-

Carbonate Ion

CrO₄^2-

Chromate Ion

Cr₂O₇^2-

Dichromate Ion

SO₄^2-

Sulfate Ion

PO₄^3-

Phosphate Ion