Chem. I Polyatomic Ions

have to memorize for exam

ammonium

NH₄⁺

hydronium

H₃O⁺

peroxide

O_2^2-

hydroxide

OH^-

acetate

CH₃COO^-

cyanide

CN^-

azide

N₃ ^_

carbonate

CO₃^2-

bicarbonate

HCO₃^_

nitrate

NO₃^-

nitrite

NO₂^-

sulfate

SO₄^2-

sulfite

SO₃^2-

hydrogen sulfate

HSO₄^2-

hydrogen sulfite

HSO₃^-

phosphate

PO₄^3-

hydrogen phosphate

HPO₄^2-

dihydrogen phosphate

H₂PO₄^-

perchlorate

ClO₄^-

chlorate

ClO₃^-

chlorite

ClO_2^-

hypochlorite

ClO^-

chromate

CrO₄^2-

dichromate

Cr₂O₇^2-

permanganate

MnO₄-