← Polyatomic ions Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All hydroxide OH- acetate C2H3O2- hypochlorite ClO- Chlorate CLO3- Perchlorate ClO4- Nitrite NO2- Nitrate NO3- Cyanide CN- Carbonate CO3 2- Sulfite SO3 2- Sulfate SO4 2- Oxalate C2O4 2- Phosphate PO4 3- Ammonium NH4+ chlorite ClO2- ammonia NH3 phosphite PO3 3-