Polyatomic Ions

CO_3^{2-}

Carbonate

HCO_3^-

Hydrogen carbonate

CH_3COO^-

Acetate

CN^-

Cyanide

SCN^-

Thiocyanate

ClO^-

Hypochlorite

ClO_2^-

Chlorite

ClO_3^-

Chlorate

ClO_4^-

Perchlorate

CrO_4^{2-}

Chromate

Cr_2O_7^{2-}

Dichromate

MnO_4^-

Permanganate

N_3^-

Azide

NH_4^+

Ammonium

NO_2^-

Nitrite

NO_3^-

Nitrate

OH^-

Hydroxide

O_2^{2-}

Peroxide

PO_4^{3-}

Phosphate

HPO_4^{2-}

Hydrogen phosphate

H_2PO_4^-

Dihydrogen phosphate

S_2^{2-}

Disulfide

SO_3^{2-}

Sulfite

SO_4^{2-}

Sulfate

HSO_3^-

Hydrogen sulfite

HSO_4^-

Hydrogen sulfate