Polyatomic Ions

ammonium

ammonium

NH4^1+

nitrite

NO2^1-

nitrate

NO3^1-

hydroxide

OH^1-

cyanide

CN^1-

permanganate

MnO4^1-

hydrogen carbonate

HCO3^1-

hypochlorite

ClO^1-

chlorite

ClO2^1-

chlorate

ClO3^1-

perchlorate

ClO4^1-

bromate

BrO3^1-

iodate

IO2^1-

periodate

IO4^1-

acetate

C2H3O2^1-

dihydrogen phosphate

H2PO4^1-

carbonate

CO3²-

sulfite

SO3²-

sulfate

SO4²-

thlosulfate

S203²-

peroxide

O2²-

chromate

CrO4²-

dichromate

Cr2O7²-

hydrogen phosphate

HPO4²-

phosphate

PO4³-

arsenate

ASO4³-