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History of the atomic model
Updated: 10/10/2019
History of the atomic model
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Storyboard Text

  • Democritus & Aristotle
  • i believe in empty space between the atoms
  • i believe all matter is made of fire, water, air & earth
  • i agree with Democritus that atoms cannot be divided created or destroyed
  • John Dalton
  • i discovered the Cathode ray bent towards a positively charged plate.
  • J.J. Thompson
  • i discovered the nucleus also contained the neutrally charged neutrons
  • Ernest Rutherford & James Chadwick
  • my experiment shot a positive particle beam towards a piece of gold foil, and the particle beam bounced back
  • Niels Bohr
  • i proposed that electrons move in circular orbits
  • Erwin Schodinger
  • i stated electrons do NOT move in set paths but in waves
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