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.