Atom History

By adriannalowry
  • 101

    Greeks

    Greeks
    The Greeks came up with atomos, which means that things were so small you couldnt cut them anymore.

  • Dalton

    Dalton
    Dolton expanded the Greek idea about atoms. He came up atoms looked like soild spheres.

  • Crooke

    Crooke
    Crooke made the CRT (Cathod Ray Tube), which showed that

  • Thomson

    Thomson
    Thomson discovered electrons, (pulm pudding). He also discovered the mass of electron.

  • Rutherford

    Rutherford
    Rutherford did the experment, where he shot bullets into a thin gold sheet, most of them went right through, but some bounced right back, thats when he discovered the necless.

  • Greeks-

    Greeks-
    The Greeks, came up with atomos, which means there so small they can tbe cut up anymore.

  • Bohr

    Bohr
    Bohr discovered that the electrons are in obrits, or engery levels around the neculess. Electrons are in unpredictable motions, its called the electron cloud theroy.