history of the atom

  • 280

    aristotle

  • 300

    democritus

  • 300

    Democritus and atomos

  • 316

    Aristotle and the 5 elements

  • john dalton

  • John Dalton and the indivisible atom

  • JJ Thomson

    JJ Thomson

    Discovery of the electron using the Cathode ray experiment. Plum pudding model
  • jj thomson

  • Ernst Rutherford

    Discovery of the positively charged nucleus and the Nuclear model
  • rutherford- discovery of the electron

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