Atomic Model Timeline

By grovesygroves
  • 400

    Aristotle

    Fire, Wather, Earth and Air
  • 460

    Democritus

    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