History of Atoms

  • 460 BCE

    Democritus

    Democritus was born
  • 400 BCE

    Atomic Theory

    Democitrus hypothesises the atomic theory
  • 370 BCE

    Democitrus dies

  • Antoine Lavoiser Born

  • Joseph Proust Born

  • John Dalton Born

  • Law of Conservation of Mass

    Antoine Lavoiser discovered the LCM
  • Antoine Lavoiser Dies

  • Law of Definitive Proportions

    Joseph proust creates the law of infinitive proportions
  • John Dalton puts 3 Ideas Together

    John puts together all the information from Democritus, Lavoisier, and Proust.
  • Joseph Proust Dies

  • Dmitri Mendeleev Born

  • John Dalton Dies

  • J.J Thomson Born

  • Dmitri Puts together the periodic table

  • Ernest Rutherford Born

  • James Chadwick Born

  • Plum Pudding

    J.J Thomson creates the plum pudding model after discovering the electron
  • Dmitri Mendeleev Dies

  • Ernest Rutherford Model

    Ernest discovered the nucleus
  • James Chadwick Discovers the Neutron

  • Ernest Rutherford Dies

  • JJ Thomson Dies

  • James Chadwick Dies