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The Atom

By LSakarapanee
  • Democritus
    400

    Democritus

    Domecritus460-370B.C.
    Democritus believed that atoms are physically, but not geometrically, indivisible; between atoms lies empty space
  • John Dalton

    John Dalton

    Dalton1766- 1844 one of the things John believed was that all matter is made of atoms. Atoms are indivisible and indestructible.
  • J.J. Thomson

    J.J. Thomson

    Thomson1856–1940 J.J. believed the atom as a sphere of positive matter in which electrons are positioned by electrostatic forces
  • Ernest Rutherford

    Ernest Rutherford

    Rutherford1871-1937 Ernest discovered alpha and beta rays
  • Niels Bohr

    Niels Bohr

    Bhor1885-1962 Niels discovered radiation around the atom
  • James Chadwick

    James Chadwick

    Chadwick1891-1974 James discoverd the nuetron