Polyatomic Charges

NH4+

NH4+

ammonium

H3O+

hydronium

Hg2 2+

Mercury (I)

H2PO4-

dihydrogen phosphate

HCO3-

hydrogen carbonate

HSO3-

hydrogen sulfite

HSO4-

hydrogen sulfate

NO2-

nitrite

NO3-

nitrate

OH-

hydroxide

CH3COO-

acetate #1

CN-

cyanide

CNO-

cyanate

CNS-

thiocyanate

O2-

superoxide

MnO4-

permanganate

ClO-

hypochlorite

ClO2-

chlorite

ClO3-

chlorate

ClO4-

perchlorate

BrO3-

bromate

IO3-

iodate

HPO4 2-

hydrogen phosphate

CO3 2-

carbonate

SO3 2-

sulfite

SO4 2-

sulfate

S2O3 2-

thiosulfate

SiO3 2-

silicate

C2O4 2-

oxalate

CrO4 2-

chromate

Cr2O7 2-

dichromate

MoO4 2-

molybdate

O2 2-

peroxide

PO4 3-

phosphate

AsO4 3-

arsenate

C2H3O2-

acetate #2