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Cations & Anions
Common Ions for AP Chemistry
| Question | Answer |
|---|---|
| Vanadium(II) | V2+ |
| Vanadium(III) | V3+ |
| Vanadium(IV) | V4+ |
| Zinc | Zn2+ |
| Aluminum | Al3+ |
| Barium | Ba2+ |
| Bismuth(III) | Bi3+ |
| Bismuth (IV) | Bi5+ |
| Cadmium | Cd2+ |
| Calcium | Ca2+ |
| Cerium(III) | Ce3+ |
| Cerium (IV) | Ce4+ |
| Cesium | Cs+ |
| Chromium (II) | Cr2+ |
| Chromium (III) | Cr3+ |
| Cobalt (II) | Co2+ |
| Cobalt (III) | Co3+ |
| Copper (I) | Cu+ |
| Cuprous | Cu+ |
| Copper (II) | Cu2+ |
| Cupric | Cu2+ |
| Gallium | Ga3+ |
| Gold (I) | Au+ |
| Gold (III) | Au3+ |
| Hydrogen | H+ |
| Tin(II) | Sn2+ |
| Stannous | Sn2+ |
| Tin(IV) | Sn4+ |
| Stannic | Sn4+ |
| Iron (II) | Fe2+ |
| Ferrous | Fe2+ |
| Iron (III) | Fe3+ |
| Ferric | Fe3+ |
| Lead (II) | Pb2+ |
| Plumbous | Pb2+ |
| Lead (IV) | Pb4+ |
| Plumbic | Pb4+ |
| Lithium | Li+ |
| Magnesium | Mg2+ |
| Manganese (II) | Mn2+ |
| Manganese (IV) | Mn4+ |
| Mercury (I) | Hg22+ |
| Mercurous | Hg22+ |
| Mercury (II) | Hg2+ |
| Mercuric | Hg2+ |
| Nickel(II) | Ni2+ |
| Potassium | K+ |
| Rubidium | Rb+ |
| Silver | Ag+ |
| Sodium | Na+ |
| Strontium | Sr2+ |
| Thallium(I) | Tl+ |
| Thallium(III) | Tl3+ |
| Thallium(IV) | Tl4+ |
| Arsenic(III) | As3+ |
| Arsenic (V) | As5+ |
| Bromide | Br- |
| Chloride | Cl- |
| Fluoride | F- |
| Iodide | I- |
| Oxide | O2- |
| Sulfide | S2- |
| Hydrogen Carbonate | HCO3- |
| Bicarbonate | HCO3- |
| Carbonate | CO32- |
| Hydrogen Oxalate | HC2O4- |
| Bioxalate | HC2O4- |
| Oxalate | C2O42- |
| Ethandioate | C2O42- |
| Chlorate | ClO3- |
| Chlorite | ClO22- |
| Hydrogen Phosphate | HPO42- |
| Dihydrogen Phospate | H2PO4- |
| Phosphate | PO43- |
| Hydronium | H3O+ |
| Hydroxide | OH- |
| Peroxide | O22- |
| Hydrogen Sulfate | HSO4- |
| Bisulfate | HSO4- |
| Hydrogen Sulfide | HS- |
| Bisulfide | HS- |
| Hydrogen Sulfite | HSO3- |
| Bisulfite | HSO3- |
| Sulfate | SO42- |
| Sulfite | SO32- |
| Nitrate | NO3- |
| Nitrite | NO2- |
| Dichromate | Cr2O72- |
| Chromate | CrO42- |
| Ammonium | NH4+ |
| Acetate | C2H5O2- |
| Ethanoate | C2H5O2- |
| Arsenate | AsO43- |
| Arsenite | AsO33- |
| Benzoate | C7H5O2- |
| Borate | BO33- |
| Bromate | BrO3- |
| Cyanide | CN- |
| Ferricyanide | Fe(CN)63- |
| Ferrocyanide | Fe(CN)64- |
| Formate | COOH- |
| Iodate | IO3- |
| Molybdate | MoO42- |
| Orthosilicate | SiO44- |
| Perchlorate | ClO4- |
| Periodate | IO4- |
| Permanganate | MnO4- |
| Hydrogen Phthalate | HC8H4O4- |
| Biphthalate | HC8H4O4- |
| Pyrophosphate | P2O74- |
| Silicate | SiO32- |
| Thiosulfate | S2O32- |
| Thiocyanate | SCN- |