Common elements

Ammonium

NH_{4, +}

Mercury (I)

Hg_{2 2+}

Mercury II

Hg 2+

Acetate

C₂H₃O 1-

Bromate

Br_{O3 -}

Chlorate

ClO_3-

Chlorite

ClO_2-

Hypochlorite

ClO-

Perchlorate

ClO_4-

Cyanide 1-

CN-

Dihydrogen phopsate

H₂PO_4-

Hydrogen carbonate, also know as bicarbonate

HCO_3-

Hydrogen sulfate, also know as bisulfate

HSO_4-

Hydroxide

OH-

Iodate

IO_3-

Nitrate

NO_3-

Nitrite

NO2-

Periodate

IO_4-

Permanganate

MnO_4-

Carbonate -

CO_3^2-

Chromate

_CrO4^2-

Dichromate 

Cr₂O_7 ^2-

Hydrogen phosphate (biphospate)

HPO_4^2-

Oxalate

C₂O_4^2-

Peroxide

O_2^2-

Silicate

SiO_3^2-

Sulfate 2-

SO_4^2-

Sulfite

SO3^2-

Thiosulfate

S₂O_3^2-

Aresenate

AsO_4^3-

Borate

BO_3^3-

Phospate

PO_4^3-

Phospite

PO_3^3-