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ATOMIC MODELS AND THEORIES

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  • He is a physicist known for his discovery of electron.
    Joseph John Thomson/J.J Thomson
  • Atom is a solid sphere.
    John Dalton
  • He proposed that all matter was composed of four elements: earth, water, air, and fire.
    Aristotle
  • He is credited for his discovery of proton.
    Ernest Rutherford
  • He gave the name to the particles and called it "atomos".
    Democritus
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