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ATOMIC TIMELINE

By Josiah123
  • 440

    DEMOCRITUS

    DEMOCRITUS
    Atoms are "uncuttable"
    440 BCE Photo credit to wikispaces.

  • DALTON

    DALTON
    Atoms are small, hard particles. Photo credits to wikipedia.

  • THOMPSON

    THOMPSON
    Atoms of different elements are different. Photo Credit : wired.com

  • RUTHERFORD

    RUTHERFORD
    Conducted the gold foil expirement. Photo credits to paultadich.com

  • BOHR

    BOHR
    Electrons travel in certain paths, or energy levels. Photo Credits to travelingatom.com

  • Schrodinger and Heisenberg

    Schrodinger and Heisenberg
    Electrons path cannot be predicted. 20th century. Photo credits to hoover.org