Hoyo-SHEEHAN-PER.3

By sheehan3
  • 400

    Democritus

    Democritus
  • 500

    Aristotle

    Aristotle
    500-400 B.C. Greece
    Matter was created by four elements, earth, wind, fire, and water

  • John Dalton

    John Dalton

  • Henri Becquerel

    Henri Becquerel

  • J.J. Thomson

    J.J. Thomson
    discovered the electron

  • Marie and Pierre curie

    Marie and Pierre curie

  • Robert Millikan

    Robert Millikan

  • Ernest Rutherford

    Ernest Rutherford

  • quantum model

    quantum model

  • Neils Bohr

    Neils Bohr

  • James Chadwick

    James Chadwick
    doscovered the nucleus