Ammonium

NH₄⁺

Nitrite

NO₂^-

Nitrate

NO₃^-

Sulfite

SO₃^2-

Sulfate

SO₄^2-

Hydrogen Sulfate

(bisulfate)

HSO₄^-

Hydroxide

OH^-

Cyanide

CN^-

Phosphite

PO₃^3-

Phosphate

PO₄^3-

Hydrogen Phosphate

HPO₄^2-

Dihydrogen Phosphate

H₂PO₄^-

Oxalate

C₂O₄^2-

Thiocyanate

SCN^-

Carbonate

CO₃^2-

Hydrogen Carbonate

(bicarbonate)

HCO₃^-

Hypochlorite

ClO^-

Chlorite

ClO₂^-

Chlorate

ClO₃^-

Perchlorate

ClO₄^-

Acetate

C₂H₃O₂^-

Permanganate

MnO₄^-

Dichromate

Cr₂O₇^2-

Chromate

CrO₄^2-

Peroxide

O₂^2-