Atom

THE ATOM

By blancadgs
  • Period: 1976 BCE to 1897 BCE

    John Dalton

    He said the atoms of a particular element are all identical
  • Period: 1920 BCE to 2016 BCE

    Rutherford

    Came up with the idea that atoms must contain a third particle
  • Period: 1913 BCE to 1920 BCE

    Niels Bohr

    Came up with the theory that the electrons inhabited fixed orbits or shells.
  • Period: 1911 BCE to 1913 BCE

    Ernest Rutherford

    He cam up with a new model which had solid, posively charged centre and the negative electrons in "orbits" around it
  • Period: 1897 BCE to 1911 BCE

    JJ Thomson

    He discovered the Cathode Rays