pdf

Cation and Anion Formulas and Names

Cations

  • Ammonium: NH4+

  • Hydronium: H3O+

  • Phosphonium: PH4+

Anions

  • Carbonate: CO3²-

  • Borate: BO3³-

  • Nitrite: NO2-

  • Cyanide: CN-

  • Nitrate: NO3-

  • Cyanate: OCN-

  • Phosphate: PO4³-

  • Thiocyanate: SCN-

  • Sulfite: SO3²-

  • Hydrogen carbonate (Bicarbonate): HCO3-

  • Hydroxide: OH-

  • Sulfate: SO4²-

  • Monohydrogen phosphate: HPO4²-

  • Dihydrogen phosphate: H2PO4-

  • Azide: N3-

  • Hypochlorite: ClO-

  • Chlorite: ClO2-

  • Chlorate: ClO3-

  • Perchlorate: ClO4-

  • Hydrogen sulfite (Bisulfite): HSO3-

  • Oxalate: C2O4²-

  • Bromate: BrO3-

  • Chromate: CrO4²-

  • Dichromate: Cr2O7²-

  • Iodate: IO3-

  • Hydrogen sulfate (Bisulfate): HSO4-

  • Permanganate: MnO4-

Summary of Ionic Compounds

  • Cations have a positive charge, while anions have a negative charge.

  • Familiarity with the formulas and common names is critical for understanding chemical reactions and stoichiometry in chemistry.