Polyatomic Ions

Ammonium

NH??

Acetate

CH?CO??

Cyanide

CN?

Bicarbonate

HCO??

Carbonate

CO?�?

Oxalate

C?O?�?

Chromate

CrO?�?

Dichromate

Cr?O??�

Mercury(I)

Hg?�?

Permanganate

MnO??

Nitrite

NO??

Nitrate

NO??

Hydroxide

OH?

Peroxide

O?�?

Dihydrogen Phosphate

H?PO??

Hydrogen Phosphate

HPO?�?

Phosphate

PO?�?

Sulfite

SO?�?

Bisulfate

HSO??

Sulfate

SO?�?

Superoxide

O??