Polyatomic Ions

OH^-

Hydroxide

O_2^2-

Peroxide

CN^-

Cyanide

NH_4⁺

Ammonium

NO₃^-

Nitrate

NO₂^-

Nitrite

ClO₃^-

Chlorate

ClO₂^-

Chlorite

BrO₃^-

Bromate

BrO₂^-

Bromite

BrO₄^-

Perbromate

BrO^-

Hypobromite

IO₃^-

Iodate

IO₂^-

Iodite

IO₄^-

Periodate

IO^-

Hypoiodite

MnO₄^-

Permanganate

C₂H₃O₂^-

Acetate

CO₃^2-

Carbonate

SO₄^2-

Sulfate

SO₃^2-

Sulfite

CrO₄^2-

Chromate

Cr₂O₇^2-

Dichromate

PO₄^3-

Phosphate

PO₃^3-

Phosphite

HCO₃^-

Hydrogen carbonate (bicarbonate)

HSO₄^-

Hydrogen sulfate (bisulfate)

HSO₃^-

Hydrogen sulfite (bisulfite)

HPO₄^2-

Hydrogen phosphate

ClO₄^-

Perchlorate

ClO^-

Hypochlorite