AP Chem - Polyatomic Ions

NH₄⁺¹

ammonium

NO₂^-1

nitrite

NO₃^-1

nitrate

SO₃^2-

sulfite

SO₄^2-

sulfate

S₂O₃^2-

thiosulfate

HSO₃^-1

hydrogen sulfite 

HSO₄^-1

hydrogen sulfate / bisulfate

CN^-1

cyanide 

SCN^-1

thiocyanate

PO₃^3-

phosphite

PO₄^3-

phosphate

HPO₄^2-

hydrogen phosphate

H₂PO₄^-1

dihydrogen phosphate

CO₃^-2  

carbonate

HCO₃^-1

hydrogen carbonate / bicarbonate

C₂O₄^2-

oxalate

ClO^-1   

hypochlorite

ClO₂^-1  

chlorite

ClO₃^-1  

chlorate

ClO₄^-1  

perchlorate

IO₃^-

iodate

IO₄^-

periodate

C₂H₃O₂^-1  

acetate

MnO₄^-1  

permanganate

CrO₄^2-  

chromate

Cr₂O₇^2-

dichromate

BrO₃^-

bromate

OH^-1

hydroxide 

O^2-

oxide

O₂^2-  

peroxide

H₃O⁺

hydronium