Will Westbrook

Timeline created by Will Westbrook
  • 200

    Aristotle 382 bc

    Aristotle 382 bc
    he proped that thing will always be able to be cut into smaller pieces
  • 201

    Democritus 403 bc.

    Democritus 403 bc.
    he came up with a particale that was so small it could not be cut in two he called it the atom.
  • John Dalton

    John Dalton
    john dalton created the atomic theory from observations gatheredd over time.
    the theory stated
    everything is made of atoms. atoms can not be divided or created
    atoms of the same element are exactly alike
    atoms join with other atoms to make newsubstances
  • Thomson

    Thomson
    he showed that daltons theory was wrong and that there were electrons.
  • Rutherford

    Rutherford
    he relized that atoms were made up of highly dense matter
  • Rutherford 1911

    Rutherford 1911
    he revised the thoery and and made a new model of the atom with a positivly charged nucles
  • Bohr

    Bohr
    bohr propesed that electrons move around the nucleus in certen pathes
  • Schrodinger and Heisenberg

    Schrodinger and Heisenberg
    they have revised the model of the atom and said that electrons do not travel in a spasific path and it can not be predicted