History of the Atom Timline by Akayla Lathers

  • Dalton

    Dalton
    discovered that all elements are different from each other due to different masses and everything is made of atoms ,all atoms of dikfferent substances have different weights
    from his observations his theory was elements consisted of tiny particles called atoms
    Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web.
  • Bohr

    Bohr
    he discovered electorns bounce between energy levels
    he studied and used ideas from Rutherford
    Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web.
  • Thomson

    Thomson
    discovered electrons and found out that atoms can be divided also included atoms are all made of positive cores and negatively charged particles within it
    he used models and studied
    Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web.
  • Rutherford

    Rutherford
    discovered the atomic nucleus
    he used the disinytergration theory of radioactivity which regards radioactive phenomena as atomic -not-melecular-possesses
    Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web.
  • Heinsburg and Schrodinger

    Heinsburg and Schrodinger
    discovered the behavior of electrons and the other subatomic particles taht aslo make up an atom
    studied and ussed previous ideas from other philosophers
    Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web.
  • Democritus(400 BC)

    Democritus(400 BC)
    he first founded the atomic theory which stated,'all objects are made up and can't be divided
    he used thed method of conducting an experiment an using that data to ocme up with his theory
    Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web.
  • Aristotle(335 BC)

    Aristotle(335 BC)
    thought all materials on earth werent made of atoms but of elements like earth,fire,water,and, air
    he wrote books and studied as his method
    Http://the-history-of-the-atom.wikispaces.com/. N.p., n.d. Web.