Polyatomic Ions

C2H3O2 -

Acetate

AsO4 3-

Arsenate

BO3 3-

Borate

B4O7 2-

Tetraborate

Br-

Bromide

BrO -

Hypobromite

BrO3 -

Bromate

Co3 2-

Carbonate

HCO3 -

Bicarbonate

Cl -

Chloride

ClO -

Hypochlorite

ClO2 -

Chlorite

ClO3 -

Chlorate

ClO4 -

Perchlorate

CrO4 2-

Chromate

Cr2O7 2-

Dichromate

C6H5O7 3-

Citrate

CN -

Cyanide

F -

Fluoride

H -

Hydride

OH -

Hydroxide

I -

Iodide

IO4 -

Periodate

MoO4 2-

Molybdate

N 3-

Nitride

NO2 -

Nitrite

NO3 -

Nitrate

C2O4 2-

Oxalate

O 2-

Oxide

O2 2-

Peroxide

MnO4 -

Permanganate

P 3-

Phosphide

PO4 3-

Phosphate

H2PO4 -

Dihydrogen phosphate

Se 2-

Selenide

S 2-

Sulfide

SO3 2-

Sulfite

SO4 2-

Sulfate

HSO3 -

Bisulfite

HSO4 -

Bisulfate

S2O3 2-

Thiosulfate

SCN-

Thiocyanate

NH4 +

Ammonium