History of Atomic Ideas

  • 400


    Atomos = not to be cut
  • Dalton

    Elements are the same atoms
  • Thomson

    Plum pudding model atom made of electrons around positive substance
  • Rutherford

    Firing a steam of tiny positively charge particles at a thin sheet of gold foil 2000 atoms thick.
  • Bohr

    He worked out the different energy levels form the distance form nucleuses.