History of the Atom

Timeline created by chloe.j
  • 322

    Aristotle

    Aristotle
    Aristotle proved that atoms move through any empty space as he didn’t believe in nothingness.
  • 442

    Democritus

    Democritus
    Democritus created the word atom. He also worked out that matter was made of atoms.
  • Robert Boyle

    Robert Boyle
    Robert Boyle created a law to do with pressure and volume. The law is as follows: if the pressure is small, the volume is great; if the pressure is large, the volume is small
  • Antonine Lavoisier

    Antonine Lavoisier
    Antoine La Voisier found that elements are broken down into simpler substances.
  • Antonine Lavoisier

    Antonine Lavoisier
    Antonine Lavoisier created the Law of Conservation of Matter.
  • Joseph Proust

    Joseph Proust
    Joseph Proust created the laws that have a relation to compounds.
  • Dalton

    Dalton
    Dalton found that matter is very small, as it can’t be broken down to anything smaller than what it is.
  • Thomson

    Thomson
    Thompson found that atoms are made up of even smaller parts and that they are dividable.
  • Rutherford

    Rutherford
    From studies, Rutherford found that the atom is mostly empty space.
  • Marie and Perrie Curies

    Marie and Perrie Curies
    Marie and Perrie Curies discovered elements that are now part of the Periodic Table.
  • Henry Mosley

    Henry Mosley
    Mosley discovered that each atom has a different positive charge in the nuclei.
  • Robert Millikan

    Robert Millikan
    Robert Millikan performed an experiment with led to him finding the charge of one electron.
  • Bohr

    Bohr
    Bohr concluded that a shell made of electrons surrounds the atoms.
  • Schrodinger

    Schrodinger
    The scientist Schrodinger found that you could use an equation to get a rough idea of where an atom is.
  • Chadwick

    Chadwick
    Chadwick found the neuron.