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Development of the Atomic Theor

  • 440

    Atomos

    Atomos
    Everything is made up of solid ball called Atomos
    -Democritus
  • 4 element

    4 element
    Fire, water, earth, wind
    -Aristotle
  • Dalton’s Atomic theory based on experiment

    Dalton’s Atomic theory based on experiment
    Element combine in certain proportions based on mass to form compounds
    -Dalton
  • Thomson’s Discovery of electrons

    Thomson’s Discovery of electrons
    There’s small particle inside atom
    -Thomson
  • Far from the nucleus

    Far from the nucleus
    nucleus is the center of atom its 100,000 time smaller than atom
    -rutherford
  • Bohr’s electron levels

    Bohr’s electron levels
    Atom react to light
    -Bohr