polyatomic ions

chem is going to be the death of me

acetate

acetate

C2H3O2 - or CH3COO -

ammonium

NH4 +

arsenate

AsO4 -3

bromate

BrO3 -

carbonate

CO3 -2

chlorate

ClO3 -

chlorite

ClO2 -

chromate

CrO4 -2

cyanide

CN -

dichromate

Cr2O7 -2

hydrogen carbonate

HCO3 - (also called bicarbonate)

hydroxide

OH -

hypochlorite

ClO -

iodate

IO3 -

nitrate

NO3 -

nitrite

NO2 -

oxalate

C2O4 -2

perchlorate

ClO4 -

permanganate

MnO4 -

peroxide

O2 -2

phosphate

PO4 -3

phosphite

PO3 -3

sulfate

SO4 -2

sulfite

SO3 -2

thiocyanate

SCN -