ATOMIC TIMELINE

  • DEMOCRITUS
    440

    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