History of an Atom timeline by Tius Baillio and Stefani Mclain

  • Period: 425 to

    History of the atom

  • Feb 25, 600

    Democritus Atom

    He discoverd that everything is made up of atoms. Some theories that he made is that atoms differ in size, shape, mass, postion , and arrangment.He said his atom look like a Marble.
  • Dalton Atom

    Dalton Atom
    He discover that all matter is moade of atoms. Also mass iis related to Atoms.the method that he used to discover the atom is the atomic theory of all mater is made of atoms compounds were composed of multiply atoms. He thought the atom look a + and charge.
  • Rutherford Atom

    Rutherford Atom
    He discoverd the nucleaus of the Atom. He dicover the atom by working Thomson in experments in 1896. He thought the atom like what he called the plantetary system model.
  • Thomson Atom

    He discover that atoms have electons. The methoed that he used to make his discovery is to Charge to mass ration the electron.He thought Thomson's Plum pudding model.
  • Bohr Atom

    Bohr Atom
    Structure of an atom, that is what he discover of the atom and also electrons subtract weight of charge. The method that he used was the Liquid droplet theory. The atom looked like in his mind is the Nucleaus surrounded by a cloud of elctons.
  • Heisenberg and Schrodinger

    Heisenberg and Schrodinger
    They discover that it had postive and negative charges that make up the atom.They made the discovery by using the string theorey. The readiating Problem Experiments. They thought the atom had the nuclesus and the electrons on could and the neutrons and protons are together in the center.