The anions and formulas

Nitrate

NO₃^-

Nitrite

NO₂^-

Bicarbonate

HCO₃^-

Perchlorate

ClO₄^-

Chlorate

ClO₃^-

Chlorite

ClO₂^-

Hypochlorite

ClO^-

Cyanide

CN^-

Hydroxide

OH^-

Acetate

CH₃CO₂^-

Permanganate

MnO₄^-

Chromate

CrO₄^2-

Dichromate

Cr₂O₇^2-

Sulfate

SO₄^2-

Sulfite

SO₃^2-

Carbonate

CO₃^2-

Oxalate

C₂O₄^2-

Peroxide

O₂^2-

Phosphate

PO₄^3-

Borate

BO₃^3-

Ammonium

NH₄⁺