Sunset

Atomic Theory

By kittykittybangbang
  • 400

    Democritus

    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.