Timeline of the Atomic Model or Theory


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Storyboard Description

Timeline for science 8.

Storyboard Text

  • I'm John Dalton and I have created the very first atomic theory.
  • I veiew atoms as tiny, solid balls.
  • I discovered electrons.
  • I am J.J. Thomson and I am the first scientist to show that the atom is madeof even smaller things.
  • I propose the existence of a (+) particle.
  • I showed that atoms have (+) particles in the center, and are mostly empty space.
  • I am Ernest Rutherford and I discovered the protons and nucleus.
  • Every atom has a specific number of electron shells.
  • I proposed that electrons move around the nucleus in specific layers, or shells.
  • I discovered particles with no charge.
  • I discovered neutrons.
  • The new atomic model has electrons moving around the nucleus in a cloud.
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