Atomic Theory Time Line Project

By vflores

  • Antoin Lavoiser

    Classified the cocept of an element.

  • law of conservation of mass

    made by antione lavoiser, states that mass is neither created or destroyed.

  • daltons atomic theory

    atoms of different elements could be distinguished by diffferences in their wieghts.

  • john dalton

    proposed the law of multiple porportions

  • dmiitri mendeleev

    proposed the periodic law

  • J.J Thomson

    waas the first person to suggest the thory of the atom.

  • electron cloud model

    used to describe the possible locations of electrons around the nuleeus

  • ernest ruthford

    described the atom of having a central positive nucleus surrounding by negative

  • ruthford model

    described atoms as tiny dense positive charged core called the nucleus

  • robert millican

    determined the charge on electrons with his oil drop experiment

  • niels borh

    made the planetary model

  • quantam mechanical model

    matter also has priorities

  • erwin chadwick

    made the quantam mechanical model

  • james chadwick

    discovered the neutron