Atomic theory pic

Charlie Spong

By charliespong
  • 200

    440 B.C.- Democritus

    440 B.C.- Democritus
    Democritus stated that once you cut something inhalf enough times, then you won't be able to cut it anymore.
  • 201

    382 B.C.- Aristotle

    382 B.C.- Aristotle
    Aristotle believed you can never end up with a particle that won't break, you can even break an atom.

  • Dalton

    Dalton
    Dalton's theory was that atoms can not be cut or destroyed, they are all exactly alike, and two of them put together make a new substance.

  • Thomson

    Thomson
    Electrons are located throughout the atom like plums in pudding.

  • Rutherford

    Rutherford
    Particlesspread out quickly when they hit another substance, for example, gold foil.

  • Rutherford

    Rutherford
    The electrons surround the nucleus.

  • Niels Bohr

    Niels Bohr
    Niels Bohr said the electrons move around the nucleus in paths.