Atomic theory

  • 460 BCE

    democritus

    democritus
    He brought up the thought
  • 384 BCE

    aristotle

    aristotle
    disagreed with democritus
  • Robert Boyle

    Robert Boyle
    wrote a book about the 4 elements
  • Antoine Lavoisier

    Antoine Lavoisier
    found that mass is conserved in chemical reaction
  • Joseph Proust

    Joseph Proust
    first pubished his Law of Definite
  • John Dalton

    John Dalton
    said that all matter was composed of atoms
  • Amadeo Avogadro

    Amadeo Avogadro
    hypothesis that equal volcumes of different gases
  • Joseph Gay-Lussac

    Joseph Gay-Lussac
    discover one of the fundamental law of gases
  • Henri Becquerel

    Henri Becquerel
    first to conculude that atoms could be radiactive
  • J.J. Thomson

    J.J. Thomson
    discoved the electron
  • Max Planck

    Max Planck
    originator for the quantum theory
  • Robert Millikan

    Robert Millikan
    understandings of the structure of the atom and atomic theory
  • Ernest Rutherford

    Ernest Rutherford
    discoved alpha and beta rays
  • Niels Bohr

    Niels Bohr
    proposed a theory for the hydrogen atoms
  • Erwin Schrodinger

    Erwin Schrodinger
    To the wav thery of matter and to other fundamentals of quantum mechanics
  • Louis de Broglie

    Louis de Broglie
    research on quantum theory and for predicting the wave nature of electrons
  • Werner Heisenberg

    Werner Heisenberg
    it was for physics