common polyatomic ions & on molecule

chm111

NH₄⁺

ammonium ion

SO₄^2-

sulfate ion

HSO₄^-

hydrogen sulfate ion

SO₃^2-

sulfite ion

NO₃^-

nitrate ion

NO₂^-

nitrite ion

PO₄^3-

phosphate ion

HPO₄^2-

hydrogen phosphate

H₂PO₄^-

dihydrogen phosphate

PO₃^3-

phosphite ion

OH^-

hydroxide ion

O₂^2-

peroxide ion

C₂H₃O₂^-

acetate ion

ClO₄^-

perchlorate ion

ClO₃^-

chlorate ion

ClO₂^-

chlorite ion

ClO^-

hypochlorite ion

CrO₄^2-

chromate ion

Cr₂O₇^2-

dichromate ion

MnO₄^-

permanganate ion

CN^-

cyanide ion

IO₃^-

iodate ion

SCN^-

thiocyanate ion

CO₃^2-

carbonate ion

HCO₃^-

hydrogen carbonate OR bicarbonate

C₂O₄^2-

oxalate ion

S₂O₃^2-

thiosulfate ion

Hg₂²⁺

mercury (i) ion

Hg²⁺

mercury (ii) ion

BrO₃^-

bromate