History of the Atom Timeline by Dominique and Sam

By dominiqueandsam

  • democritus (400 B.C.)

    democritus (400 B.C.)
    he claimed everything was made up of atoms.
    he discovered the atom.

  • Aristole(B.C.)

    he did not beileve in the atomic therory.

  • Thomson(1897)

    Thomson(1897)
    he discovered that atoms have tiny negative charged particles inside them- electrons.

  • Bohr(1913)

    Bohr(1913)
    he said that electorns orbited around the atom

  • Heisenburg and schrodinger

    Heisenburg and schrodinger
    they used math.
    electrom cloud.schrodinger made a model that would predict the odds of the location of the electrons.

  • dalton ( 1800s)

    dalton ( 1800s)
    he discovered the atomic theory.
    he believed that they were indivisable and all atoms that have the same elements were the same.

  • rutherford (1911)

    rutherford (1911)
    he did the "golf foil"experiment and discovered the nucleus.