R17.71

Resource Description

  • What are atoms
  • Protons, neutrons, electrons, nucleus, electron space
  • Historical development of the atom
  • Dalton’s theory
  • Thomson’s model of the atom
  • Rutherford’s experiment & deductions
  • Symbols for elements
  • Relative atomic mass
  • Isotopes of elements
  • Ions – positive, negative & polyatomic
  • Electron configuration
  • s, p & d orbitals – shapes & positions
  • spd notation
  • Aufbau principle & diagram.

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