40 Common Polyatomics

acetate

acetate

C2H3O2 -

ammonium

NH4 +

arsenate

AsO4 3-

arsenite

AsO3 3-

azide

N3 -

benzoate

C7H5O2 -

borate

BO3 3-

bromate

BrO3 -

carbonate

CO3 2-

chlorate

ClO3 -

chlorite

ClO2 -

chromate

CrO4 2-

cyanide

CN -

dichromate

Cr2O7 2-

dihydrogen phosphate

H2PO4 -

dihydrogen phosphite

H2PO3 -

hydrogen carbonate

HCO3 -

hydrogen phosphate

HPO4 2-

hydrogen phosphite

HPO3 2-

hydrogen sulfate

HSO4 -

hydrogen sulfide

HS -

hydrogen sulfite

HSO3 -

hydroxide

OH -

hypochlorite

ClO -

iodate

IO3 -

manganate

MnO4 2-

nitrate

NO3 -

nitrite

NO2 -

oxalate

C2O4 2-

perchlorate

ClO4 -

permangante

MnO4 -

peroxide

O2 2-

phosphate

PO4 3-

phosphite

PO3 3-

silicate

SiO3 2-

sulfate

SO4 2-

sulfite

SO3 2-

tartrate

C4H4O6 2-

thiocyanate

SCN -

thiosulfate

S2O3 2-