History of Atoms

  • Dalton: Solid Sphere Model

    Dalton: Solid Sphere Model
    Dalton was an English chemist and teacher who used experimental evidence to form the atomic theory of matter. He formed a Solid Sphere Model in1803.
  • Thomson: Plum in the Pudding Model

    Thomson: Plum in the Pudding Model
    In 1897, the English physicist J.J. Thomson discovered the electron and proposed a model for the structure of the atom.
  • Rutherford: The Nuclear Model

    Rutherford: The Nuclear Model
    By 1911, The New Zealand-born Physicist Earnest Rutherford proposed The Nuclear Model.
  • Bohr: The Bohr (Planetary) Model

    Bohr: The Bohr (Planetary) Model
    In 1912, Niels Bohr came up with a theory that said the electrons do not spiral into the nucleus and came up with some rules for what does happen.
  • Schrodinger: Quantum Mechanics Model

    Schrodinger: Quantum Mechanics Model
    In 1926 the Austrian physicist, Erwin Schrodinger, gave a theory
    that worked kind of like harmonic theory for a violin string except that the vibrations traveled in circles.
  • Anthony: History of Atoms Timeline

    Anthony: History of Atoms Timeline
    On April 13, 2017, an American-born student, Austin Anthony, completed a timeline showing some pieces of the history of atoms.