chem quiz

NH₄ ¹⁺

ammonium

C₂H₃O₂

acetate

CO_{3 ^2-}

carbonate

HCO₃ ^1-

hydrogen carbonate or bicarbonate

CLO^1-

hypochlorite

CLO_{3 ^1-}

chlorate

CLO_{4 ^2-}

perchlorate

CrO_{4 ^1-}

chromate

Cr₂ O₇ ^2-

dichromate

CN^1-

cyanide

OH^1-

hydroxide

NO₂^1-

nitrite

NO₃^1- 

nitrate

PO₄^3-

phosphate

HPO₄^2-

hydrogen phosphate

H₂PO_4^1-

dihydrogen phosphate

SO₃^2-

sulfite

SO₄^2-

sulfate

HSO_4^1-

hydrogen sulfate 

O₂^2-

peroxide

CLO₂^1-

chlorite