Atomic Theory

  • 400


    discovered indivisible units called atoms.
  • John Dalton

    Dalton revived atomic theory
  • J Plucker

    Built first cathode ray tube.
  • JJ Thomson

    Discovered existence of the electron.
  • Ernest Rutherford

    discovered that most of the atom is empty space using the famous "Gold Foil Method".
  • Neils Bohr

    explained emission spectrum of hydrogen atom.
  • Chadwick

    proved existence of neutrons.
  • Cockcroft/ Walton

    discovered that you can split an atom.
  • Otto Hahn/Fritz Strassmann

    Otto hahn and Fritz Strassmann discovered fission, the key factor in nuvlear weapons.
  • Atomic Bomb

    Atomic bomb built.
  • Schrodinger

    formulated equation that describes behavior and energies of submicroscopic particle in general.