Polyatomic Ions

acetate

acetate

C2H3O2 -

bicarbonate

HCO3 -

perchlorate

ClO4 -

chlorate

ClO3 -

chlorite

ClO2 -

hypochlorite

ClO -

hydroxide

OH -

nitrate

NO3 -

permanganate

MnO4 -

carbonate

CO3 2-

chromate

CrO4 2-

dichromate

Cr2O7 2-

peroxide

O2 2-

sulfate

SO4 2-

phosphate

PO4 3-

ammonium

NH4 +