R15.18

Resource Description

  • Importance of models to explain & understand shapes & structures of molecules
  • Molecular structure – nucleus, electron space & energy levels
  • Electronic structure of first 20 elements
  • Lewis structures
  • Couper structures
  • Graph of energy vs distance as molecules are formed
  • Covalent bonds
  • Single, double & triple covalent bonds
  • Co-ordinate or dative covalent bonds
  • Exercise on writing Lewis structures.

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