Polyatomic Ions, Dr. E's GenChem1

NH₄⁺

ammonium

H₃O⁺

hydronium

CH₃COO^-

acetate

CO₃^2-

carbonate

HCO₃^-

bicarbonate

ClO^-

chlorite

ClO₃^-

chlorate

ClO₄^-

perchlorate

CrO₄^2-

chromate

Cr₂O₇^2-

dichromate

CN^-

cyanide

OH^-

hydroxide

NO₂^-

nitrite

NO₃^-

nitrate

C₂O₄^2-

oxalate

MnO₄^-

permanganate

PO₄^3-

phosphate

HPO₄^2-

hydrogen phosphate

H₂PO₄^-

dihydrogen phosphate

SO₃^2-

sulfite

HSO₃^-

hydrogen sulfite

SO₄^2-

sulfate

HSO₄^-

hydrogen sulfate

S₂O₃^2-

thiosulfate

IO₃^-

iodate

IO₂^-

iodite

IO₄^-

periodate

O₂^2-

peroxide

N₃-

azide

ClO^-

hypochlorite