atomic theory assignment

By der

  • Dalton

    Dalton
    He stated that elements had particles that combined in simply ways. He discovered atoms.

  • Avogadro

    Avogadro
    Led to the understanding of the atoms molecular weight

  • Kekule

    Kekule
    He developed system for visualizing the structure of organic molecules.

  • Mendeleev

    Mendeleev
    He found three elements that were unknown at that time.

  • Thompson

    Thompson
    He stated that atoms were not simply solid spheres. He discovered electrons.

  • Lewis

    Lewis
    He stated that electrons existed in shells around the necleus.

  • Rutherford

    Rutherford
    He stated that most atoms are made of space.

  • Bohr

    Bohr
    He stated that electrons orbited the nucleus.