Chemistry - Polyatomic Ions

H₃O⁺

hydronium

Hg₂²⁺

mercury (I)

NH₄⁺

ammonium

C₂H₃O₂⁺

acetate

CN^-

cyanide

CO₃^2-

carbonate

HCO₃^-

hydrogen carbonate

C₂O₄^2-

oxalate

ClO^-

hypochlorite

ClO₂^-

chlorite

ClO₃^-

chlorate

ClO₄^-

perchlorate

CrO₄^2-

chromate

Cr₂O₇^2-

dichromate

MnO₄^-

permanganate

NO₂^-

nitrite

NO₃^-

nitrate

O₂^2-

peroxide

OH^-

hydroxide

PO₄^3-

phosphate

SCN^-

thiocyanate

SO₃^2-

sulfite

SO₄^2-

sulfate

HSO₄^-

hydrogen sulfate

S₂O₃^2-

thiosulfate