Ammonium

NH4(+)

Nitrite

NO2(-)

Nitrate

NO3(-)

Sulfite

SO3(2-)

Sulfate

SO4(2-)

Hydrogen Sulfate (bisulfate)

HSO4(-)

Thiosulfate

S2O3(2-)

Oxalate

C2O4(2-)

Phosphite

PO3(3-)

Phosphate

PO4(3-)

Hydrogen Phosphate

HPO4(2-)

Dihydrogen Phosphate

H2PO4(-)

Hypochlorite

ClO(-)

Chlorite

ClO2(-)

Chlorate

ClO3(-)

Perchlorate

ClO4(-)

Acetate

C2H3O2(-)

Carbonate

CO3(2-)

Hydrogen Carbonate (bicarbonate)

HCO3(-)

Chromate

CrO4(2-)

Dichromate

Cr2O7(2-)

Permanganate

MnO4(-)

Cyanide

CN(-)

Hydroxide

OH(-)