Common Poly-atomic Ions (copy)1 by

Ding Dong Bing Bong

NH₄⁺

ammonium

C₂H₃O₂^-

acetate

CN^-

cyanide

ClO^-

hypochlorite

ClO₂^-

chlorite

ClO₃^-

chlorate

ClO₄^-

perchlorate

HCO₃^-

bicarbonate

MnO₄^-

permanganate

NO₃^-

nitrate

NO₂^-

nitrite

OH^-

hydroxide

CO₃^2-

carbonate

SO₄^2-

sulfate

SO₃^2-

sulfite

CrO₄^2-

chromate

Cr₂O₇^2-

dichromate

PO₄^3-

phosphate