Chapter 9 - The World of Atoms
Electron waves and the nuclear atom



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    Properties of the Electron

    Electron diffraction

  • Lucky breaks & 2nd honeymoons
  • The Davisson-Germer accident
  • The electron wavelength
  • The annealed sample
  • De Broglie wavelengths
  • Electron microscopes
  • Two slit
  • de Broglie's Comptes Rendus paper
  • de Broglie's Comptes Rendus paper (translation)
  • Animation of "pilot" waves
  • Electron wavelengths and atomic orbits

    • The nuclear atom

    The Rutherford Scattering Experiment

  • Benjamin Franklin and charge
  • Franklin's invention
  • The Thomson model
  • Rutherford (Geiger/Marsden) Experiment
  • Applet 1
  • Applet 2
  • Applet 3
  • Applet 4
  • Applet 5
  • How small?
  • Closest approach

    The Bohr atom

  • de Broglie and Bohr
  • Wavelengths per orbit
  • The various Rydberg series
  • Applet 1
  • Applet 2
  • Transition plot
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    • Summary

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