← 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 ammonium charge of +1, NH₄ mercury(I) charge of +2, Hg₂ acetate charge of -1, C₂H₃O₂ chlorate charge of -1, ClO₃ chlorite charge of -1, ClO₂ cyanide charge of -1, CN hydroxide charge of -1, OH hypochlorite charge of -1, ClO hydrogen carbonate charge of -1, HCO₃ iodate charge of -1, IO₃ nitrate charge of -1, NO₃ nitrite charge of -1, NO₂ perchlorate charge of -1, ClO₄ permanganate charge of -1, MnO₄ hydrogen sulfate charge of -1, HSO₄ bromate charge of -1, BrO₃ carbonate charge of -2, CO₃ chromate charge of -2, CrO₄ dichromate charge of -2, Cr₂O₇ sulfate charge of -2, SO₄ sulfite charge of -2, SO₃ oxalate charge of -2, C₂O₄ peroxide charge of -2, O₂ silicate charge of -2, SiO₃ phosphate charge of -3, PO₄ arsenate charge of -3, AsO₄