Chemistry - Common Polyatomic Ions

acetate

acetate

CH3COO-

carbonate

CO3 2-

hydrogen carbonate/bicarbonate

HCO3 -

cyanide

CN -

hypochlorite

ClO -

chlorite

ClO2 -

chlorate

ClO3 -

perchlorate

ClO4 -

dichromate

Cr2O7 2-

chromate

CrO4 2-

permanganate

MnO4 -

azide

N3 -

ammonium

NH4 +

nitrite

NO2 -

nitrate

NO3 -

hydroxide

OH -

peroxide

O2 2-

phosphate

PO4 3-

hydrogen phosphate

HPO4 2-

dihydrogen phosphate

H2PO4 -

disulfide

S2 2-

sulfate

SO4 2-

hydrogen sulfate/bisulfate

HSO4 -

sulfite

SO3 2-

hydrogen sulfite/bisulfite

HSO3 -

thiocyanate

SCN -

hypobromite

BrO -

bromite

BrO2 -

bromate

BrO3 -

perbromate

BrO4 -

hypobromous acid

HBrO

bromous acid

HBrO2

bromic acid

HBrO3

perbromic acid

HBrO4

mono

one

di

two

three

tri

four

tetra

five

penta

six

hexa

seven

hepta

eight

octa

nine

nona

deca

ten