Atomic Model Timeline

  • 400


    Fire, Wather, Earth and Air
  • 460


    First Atomic Model
  • John Dalton

    Modern Theroy of the atom
  • William Conrad Roentgen

    X-Ray discovered using cathode-ray tubes.
  • J.J. Thompson

    Plum Pudding Model of the Atom was disccovered
  • Hantaro Nagaoka

    Incorrect planetary model of the atom was made.
  • Ernest Marsden

    Discovered existance of the atomic nucleus
  • Ernest Rutherford

    Theorized that atoms have a positive charge
  • Niels Bohr

    Presented a picture of a atomic stucture
  • Henry Moseley

    Moseley's law advancd atomic physics
  • Louis de Brogile

    Developed a theisis of important findings
  • Erwin Schrödinger

    Generated mathematical model of electrons in an atom
  • James Chadwick

    Proved the existence of neutrons