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History of Atomic Discoveries

By bennwes
  • Aristotle
    340

    Aristotle

    (340 B.C.) He believed that matter could be divided forever.
  • Democritus
    400

    Democritus

    (400 B.C.) He believed that matter was made of atoms, and that they were divisible
  • Macbeth Starts His Rule Over Scotland
    Jan 1, 1040

    Macbeth Starts His Rule Over Scotland

  • China Invents a Form Of Sunglasses
    Jul 1, 1200

    China Invents a Form Of Sunglasses

    Modernly called Slanties
  • Columbus Sailed The Ocean Blue
    Jan 1, 1492

    Columbus Sailed The Ocean Blue

    Christopher Columbus set sail from Palos, Spain
  • Benjamin Franklin was Born

    Benjamin Franklin was Born

  • The U.S. Constitution was Adopted

    The U.S. Constitution was Adopted

  • Joseph Proust and the Law Of Definite Proportions

    Joseph Proust and the Law Of Definite Proportions

    He disproved Berthollet with the law of definite proportions, It is sometimes known as Proust's Law.
  • John Dalton proposes the Atomic Theory

    John Dalton proposes the Atomic Theory

  • Lewis and Clark begin expedition

    Lewis and Clark begin expedition

  • Abraham Lincoln becomes 16th presiden

    Abraham Lincoln becomes 16th presiden

  • Alfred Nobel Invents Dynamite

    Alfred Nobel Invents Dynamite

    BOOM
  • Henri Becquerel

    Henri Becquerel

    Discovered radioactivity through his investigations of uranium and other substances.
  • JJ Thomson disovered electrons

    JJ Thomson disovered electrons

  • Ernest Rutherford discovers the nucleus

    Ernest Rutherford discovers the nucleus

    His idea of the nucleus was his most important contribution to physics
  • Max Planck discovered energy quanta

    Max Planck discovered energy quanta

    He also won the Nobel Peace Prize in 1918
  • Niels Bohr won the Nobel Peace Prize for The Atomic Structure

    Niels Bohr won the Nobel Peace Prize for The Atomic Structure

    He won it because of his work on the atomic structure.
  • Robert Millikan was awarded the Nobel Peace Prize

    Robert Millikan was awarded the Nobel Peace Prize

    for his work on the elementary charge of electricity and on the photoelectric effect
  • Erwin Schrödinger starts study of Wave Mechanics

    Erwin Schrödinger starts study of Wave Mechanics

    His discoveries concerning wave mechanics were what he was known best for.
  • Werner Heisenberg studies Quantum Properties of Electrons

    Werner Heisenberg studies Quantum Properties of Electrons

    In 1927 he was puzzling over the basic quantum properties of electrons. He realized that the act of measuring an electron's properties by hitting it with gamma rays would alter the electron's behavior. Indeed
  • Louis de Broglie discovered the wave nature of electrons

    Louis de Broglie discovered the wave nature of electrons

  • James Chadwick discovered the neutron

    James Chadwick discovered the neutron

  • McDonalds is Founded.

    McDonalds is Founded.

  • Chuck E. Cheese was founded

    Chuck E. Cheese was founded

  • Internet Was Invented

    Internet Was Invented