NH₄ ⁺

Ammonium

NO₂ ^-

Nitrite

NO₃ ^-

Nitrate

SO₃ ^2-

Sulfite

SO₄ ^2-

Sulfate

HSO₄ ^-

Bisulfate

OH ^-

Hydroxide

CN ^-

Cyanide

PO₄ ^3-

Phosphate

CO₃ ^2-

Carbonate

HCO₃ ^-

Bicarbonate

ClO ^-

Hypochlorite

ClO₂ ^-

Chlorite

ClO₃ ^-

Chlorate

ClO₄ ^-

Perchlorate

C₂H₃O₂ ^-

Acetate

MnO₄ ^-

Permanganate

Cr₂O₇ ^2-

Dichromate

CrO₄ ^2-

Chromate

O₂ ^2-

Peroxide