unit 4 chem

NH₄⁺

ammonium

OH^-

hydroxide

NO₃^-

nitrate

C₂H₃O₂^-

acetate

SO₄^-2

sulfate

ClO₃^-  BrO₃^-  IO₃^-

chlorate, bromate, iodate

CO₃^-2

carbonate

CrO₄^-2

chromate

PO₄^-3

phosphate

Cr₂O₇^-2

dichromate