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AP Chem Common Ions
Cations and Anions
| Element/compound | charge/formula |
|---|---|
| Ammonium (polyatomic) | NH_4 (+1) |
| Cesium (monoatomic) | Cs(+1) |
| Copper (I) or Cuprous (monoatomic) | Cu (+1) |
| Hydrogen (monoatomic) | H(+1) |
| Lithium (monoatomic) | Li(+1) |
| Potassium (monoatomic) | K(+1) |
| Rubidium (monoatomic) | Rb(+1) |
| Silver (monoatomic) | Ag(+1) |
| Sodium (monoatomic) | Na(+1) |
| Barium (monoatomic) | Ba(+2) |
| Beryllium (monoatomic) | Be(+2) |
| Calcium (monoatomic) | Ca(+2) |
| Chromium (II) or Chromous (monoatomic) | Cr(+2) |
| Cobalt (II) or Cobaltous (monoatomic) | Co(+2) |
| Copper (II) or Cupric (monoatomic) | Cu(+2) |
| Iron (II) or Ferrous (monoatomic) | Fe(+2) |
| Lead (II) or plumbous (monoatomic) | Pb(+2) |
| Magnesium (monoatomic) | Mg(+2) |
| Mercury (I) or mercurous (monoatomic) | Hg_2(+2) |
| Mercury (II) or mercuric (monoatomic) | Hg(+2) |
| Nickel (monoatomic) | Ni(+2) |
| Strontium (monoatomic) | Sr(+2) |
| Tin (II) or stannous (monoatomic) | Sn(+2) |
| Zinc (monoatomic) | Zn(+2) |
| Aluminum (monoatomic) | Al(+3) |
| Chromium (III) or chromic (monoatomic) | Cr(+3) |
| Cobalt (III) or cobaltic (monoatomic) | Co(+3) |
| Gallium (monoatomic) | Ga(+3) |
| Iron (III) or ferric (monoatomic) | Fe(+3) |
| Lead (IV) or plumbic (monoatomic) | Pb(+4) |
| Tin (IV) or stannic (monoatomic) | Sn(+4) |
| Acetate (polyatomic) | C_2H_3O_2(-1) |
| Bromate (polyatomic) | BrO_3(-1) |
| Bromide (monoatomic) | Br(-1) |
| Chlorate (polyatomic) | CLO_3(-1) |
| Chloride (monoatomic) | Cl(-1) |
| Chlorite (polyatomic) | ClO_2(-1) |
| Cyanide (polyatomic) | CN(-1) |
| Dihydrogen Phosphate (polyatomic) | H_2PO_4(-1) |
| Fluoride (monoatomic) | F(-1) |
| Hydride (monoatomic) | H(-1) |
| Hydrogencarbonate/bicarbonate (polyatomic) | HCO_3(-1) |
| Hydrogensulfate/bisulfate (polyatomic) | HSO_4(-1) |
| Hydrogensulfite/bisulfite (polyatomic) | HSO_3(-1) |
| Hydroxide (polyatomic) | OH(-1) |
| Hypochlorite (polyatomic) | ClO(-1) and/or OCl(-1) |
| Iodate (polyatomic) | IO_3(-1) |
| Iodide (monoatomic) | I(-1) |
| Nitrate (polyatomic) | NO_3(-1) |
| Nitrite (polyatomic) | NO_2(-1) |
| Perchlorate (polyatomic) | ClO_4(-1) |
| Permanganate (polyatomic) | MnO_4(-1) |
| Thiocyanate (polyatomic) | SCN(-1) |
| Carbonate (polyatomic) | CO_3(-2) |
| Chromate (polyatomic) | CrO_4(-2) |
| Dichromate (polyatomic) | Cr_2O_7(-2) |
| Hydrogen phosphate (polyatomic) | HPO_4(-2) |
| Oxalate (polyatomic) | C_2O_4(-2) |
| Oxide (monoatomic) | O(-2) |
| Peroxide (polyatomic) | O_2(-2) |
| Silicate (polyatomic) | SiO_3(-2) |
| Sulfate (polyatomic) | SO_4(-2) |
| Sulfide (monoatomic) | S(-2) |
| Sulfite (polyatomic) | SO_3(-2) |
| Thiosulfate (polyatomic) | S_2O_3(-2) |
| Arsenate (polyatomic) | AsO_4(-3) |
| Nitride (monoatomic) | N(-3) |
| Phosphate (polyatomic) | PO_4(-3) |
| Phosphide (polyatomic) | P(-3) |
| Phosphite (polyatomic) | PO_3(-3) |
Created by:
aophia
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