Polyatomic Ions to Memorize

Cation and Anions to Memorize

Cations

  • Ammonium

    • Formula: NH4+NH_4^+

Anions

  • Acetate

    • Formula: C2H3O2-

  • Carbonate

    • Formula: CO32−CO_3^{2-}

  • Chlorate

    • Formula: ClO3−ClO_3^-

  • Chlorite

    • Formula: ClO2−ClO_2^-

  • Cyanide

    • Formula: CN−CN^-

  • Hydroxide

    • Formula: OH−OH^-

  • Nitrate

    • Formula: NO3−NO_3^-

  • Nitrite

    • Formula: NO2-

  • Permanganate

    • Formula: MnO4−MnO_4^-

  • Phosphate

    • Formula: PO43−PO_4^{3-}

  • Sulfate

    • Formula: SO42−SO_4^{2-}

  • Sulfite

    • Formula: SO32−SO_3^{2-}

  • Phosphite

    • Formula: PO33−PO_3^{3-}