2022-2023 Honors Chem328 Non-Memorized Polyatomic Ions List

• Phosphate, PO₄^3-
• Phosphite, PO₃^3-
• Hydrogen Phosphate, HPO₄^2-
• Dihydrogen phosphate, H₂PO₄^1-
• Acetate, C₂H₃O₂^1-
• Sulfite, SO₃^2-
• Sulfate, SO₄^2-
• Hydrogen Sulfite(Bisulfite), HSO₃^1-
• Hydrogen Sulfate(Bisulfate), HSO₄^1-
• Carbonate, CO ₃^2-
• Hydrogen Carbonate(Bicarbonate), HCO₃^1-
• Hydrogen Sulfide(Bisulfide), HS^1-
• Nitrite, NO₂^1-
• Nitrate, NO₃^1-
• Cyanide, CN^1-
• Hydroxide, OH^1-
• Permanganate, MnO₄^1-
• Hypochlorite, ClO^1-
• Chlorite, ClO₂^1-
• Chlorate, ClO₃^1-
• Perchlorate, ClO₄^1-
• Oxalate, C₂O₄^2-
• Chromate, CrO₄^2-
• Dichromate, Cr₂O₇^2-
• Peroxide O₂^2-

• Silicate, SiO₃^2-
• Iodate IO₃^1-
• Borate BO₃^1-
• Tartrate C₄H₄O₆^2-
• Citrate C₆H₅O₇^3-</hide>->