science project

science project

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  • Democritus
  • John Dalton
  • J.J. Thomson
  • Democritus discovered that everything in the world is made up of atoms. Atoms are in all things and are moving continuously.
  • Ernest Rutherford
  • John Dalton was a chemist, meteorologist, and physicist who is known for coming up with the atomic theory. His theory still matches with scientists today.
  • Niels Bohr
  • J.J. Thomson discovered that all mass is made up of something smaller than atoms. These particles are called electrons.
  • Electron Cloud Model
  • Ernest Rutherford discovered that certain elements combined could cause radioactive products.
  • Niels Bohr contributed to the discovery of quantum physics. He also went further into the discussion of atoms.
  • The Electron Cloud Model is a model that shows more of a cloud than a line and in this cloud there are all the possible places an electron could be at any time.
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