Galaxy wallpaper 11

Atomic Theory Timeline (Disregard month and day)

By nadinesrk

  • JJ Thomson

    JJ Thomson
    Discovered the electron through expirements with cathode rays. Plum Pudding Model.

  • Robert Millikan

    Robert Millikan
    First measured the size of a charge in a single electron through his oil drop expirement.

  • Ernest Rutherford

    Ernest Rutherford
    Discovered the atomic nucleus using a "scattering" expirement.

  • Niels Bohr

    Niels Bohr
    Found out that electrons are in 2 different states. (Wave, Particle)
    Created the Bohr model also know as Liquid Drop Model.

  • Henry Moseley

    Henry Moseley
    Discovered Atomic number using x-rays and organized the periodic table based on Atomic Numbers.

  • Ernest Rutherford

    Ernest Rutherford
    He discovered that each nitrogen atom contains positivily charged nuclei which are called protons.

  • Erwin Schrodinger

    Erwin Schrodinger
    He created an equation that predicted the probability of the location of electrons.

  • Sir James Chadwick

    Sir James Chadwick
    Discovered what neutrons were.