DEVELOPMENT OF ATOMIC MODEL

  • 440 BCE

    DEMOCRITUS

    DEMOCRITUS
    He said everything in the world is made up by tiny molecules he called ATOMOS in Greek called INDIVISIBLE.
  • JOHN DALTON

    JOHN DALTON
    He showed that various compounds were combinations of ATOMS.
  • J.J THOMPSONS

    J.J THOMPSONS
    He was a Physicist who discovered the ELECTRON because he had intelligent and bright students.
  • ERNEST RUTHERFORD

    ERNEST RUTHERFORD
    He was one of J.J THOMPSONS students and was know as the FATHER OF THE NUCLEAR AGE.
  • NIELS BOHR

    NIELS BOHR
    He was also another of J.J THOMPSONS students who expanded on RUTHERFORDS,MAX PLANCK and ALBERT EINSTEIN nuclear model.
  • WERNER HEISENBERG

    WERNER HEISENBERG
    He showed that it was impossible to determine both the exact SPEED and POSITION of ELECTRONS as they moved around an ATOM.