← 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 NH4 (Positive 1 charge) Ammonium CN (Negative 1 charge) Cyanide CH3CO2 (Negative 1 charge) Acetate CO3 (Negative 2 charge) Carbonate HCO3 (Negative 1 charge) Hydrogen Carbonate NO2 (Negative 1 charge) Nitrite NO3 (Negative 1 charge) Nitrate PO4 (Negative 3 charge) Phosphate HPO4 (Negative 2 charge) Hydrogen Phosphate H2PO4 (Negative 1 charge) Dihydrogen Phosphate OH (Negative 1 charge) Hydroxide SO3 (Negative 2 charge) Sulfite SO4 (Negative 2 charge) Sulfate HSO4 (Negative 1 charge) Hydrogen Sulfate ClO (Negative 1 charge) Hypochlorite ClO2 (Negative 1 charge) Chlorite ClO3 (Negative 1 charge) Chlorate ClO4 (Negative 1 charge) Perchlorate CrO4 (Negative 2 charge) Chromate Cr2O7 (Negative 2 charge) Dichromate MnO4 (Negative 1 charge) Permanganate