← Polyatomic Ions and their Charges 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 Ammonium NH₄ 1+ Acetate C₂H₃O₂ 1- Chlorate ClO₃ 1- Hydroxide OH 1- Nitrate NO₃ 1- Bicarbonate HCO₃ 1- Carbonate CO₃ 2- Sulfate SO₄ 2- Phosphate PO₄ 3-