NCS^-

Thiocyanate

CO₃^2-

Carbonate

HCO₃^-

Hydrogen carbonate

ClO^-

Hypochlorite

ClO₂^-

Chlorite

ClO₃^-

Chlorate

ClO₄^-

Perchlorate

C₂H₃O₂^-

Acetate

MnO₄^-

Permanganate

Cr₂O₇^2-

Dichromate

CrO₄^2-

Chromate

O₂^2-

Peroxide

C₂O₄^2-

Oxalate