A cahrge

NH4+

ammonium

NO2-

nitrite

NO3-

nitrate

OH-

hydroxide

CN-

cyanide

HCO3-

hydrogen carbonate

ClO-

hypochlorite

ClO2-

chlorite

ClO3-

chlorate

ClO4-

perchlorate

MnO4-

permanganate

BrO3-

bromate

C2H3O2-

acetate

IO-

hypoiodite

IO2-

iodite

IO3-

iodate

IO4-

periodate

SO3 (-2 charge)

sulfite

SO4 (-2 charge)

sulfate

O2 (-2 charge)

peroxide

CrO4 (-2 charge)

chromate

Cr2O7 (-2 charge)

dichromate

CO3 (-2 charge)

carbonate

HPO4 (-2 charge)

hydrogen phosphate

PO3 (-3 charge)

phosphite

PO4 (-3 charge)

phosphate