Atomic Model

By Toby G
  • Democratius
    406 BCE

    Democratius

    He thought that there were very tiny particles that were uncut-able.
  • Dalton

    Dalton

    Thought that all atoms were very small round objects.
  • Crookes

    Crookes

    Used a cathode ray to find if atoms were positive or negitave
  • Becquerel

    He believed that all atoms had an electron cloud
  • Thomson

    Thomson

    he associated atoms with the form of stoichiometry.
  • Rutherford

    Rutherford

    hypothesized that atoms had a very small nucleus.
  • Bohr

    Bohr

    That atoms were a very tiny substance that had a heavy nucleus and a light electron cloud.
  • Chadwick model

    Chadwick model

    That all atoms had a special electron “Cloud” around the nucleus
  • Electron model

    Electron model

    the electron cloud model