ammonium

NH₄⁺

nitrite

NO₂^-

nitrate

NO₃^-

sulfite

SO₃^2-

sulfate

SO₄^2-

hydrogen sulfate

(aka bisulfate)

HSO₄^-

hydroxide

OH ^-

cyanide

CN ^-

phosphate

PO₄^3-

hydrogen phosphate

HPO₄^2-

dihydrogen phosphate

H₂PO₄^-

carbonate

CO₃^2-

hydrogen carbonate

(aka bicarbonate)

HCO₃^-

hypochlorite

ClO ^-

chlorite

ClO₂^-

chlorate

ClO₃^-

perchlorate

ClO₄^-

acetate

C₂H₃O₂^-

permanganate

MnO₄^-

dichromate

Cr₂O₇^2-

chromate

CrO₄^2-

peroxide

O₂^2-

oxalate

C₂O₄^2-

silicate

SiO₃^2-

phosphite

PO₃^3-

benzoate

C₇H₅O₂^-

hydronium

H₃O⁺

mercury (I)

Hg₂²⁺

tropylium

C₇H₇⁺

arsenate

AsO₄^3-

azide

N₃^-

borate

BO₃^3-

bromate

BrO₃^-