2025-2026 Polyatomic Ion Not Memorized

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Anion Table

This list does not include anions you can get directly from looking at the Periodic Table ( Sometime I call them "atomic ions")

*Phosphite, PO₃^3-
*Hydrogen Phosphate, HPO₄^2-
*Dihydrogen phosphate, H₂PO₄^1-
*Sulfite, SO₃^2-
*Hydrogen Sulfite(Bisulfite), HSO₃^1-
*Hydrogen Sulfate(Bisulfate), HSO₄^1-
*Hydrogen Carbonate(Bicarbonate), HCO₃^1-
*Hydrogen Sulfide(Bisulfide), HS^1-
*Nitrite, NO₂^1-
*Cyanide, CN^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-

This list does not include the polyatomic ions you need to memorize for 2025-2026 learners

Anion Table
This list does not include anions you can get directly from looking at the Periodic Table ( Sometime I call them "atomic ions")

Phosphite, PO₃^3-
Hydrogen Phosphate, HPO₄^2-
Dihydrogen phosphate, H₂PO₄^1-
Sulfite, SO₃^2-
Hydrogen Sulfite(Bisulfite), HSO₃^1-
Hydrogen Sulfate(Bisulfate), HSO₄^1-
Hydrogen Carbonate(Bicarbonate), HCO₃^1-
Hydrogen Sulfide(Bisulfide), HS^1-
Nitrite, NO₂^1-
Cyanide, CN^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-

This list does not include the polyatomic ions you need to memorize for 2025-2026 learners