Discovery of the Atom-April 30,2021

By Snow_bunny04

  • Solid Sphere Model

    The solid sphere model was the first Atomic Model. It was created by Dalton in the early 19th Century.

  • The Plum Pudding Model

    An experiment with cathode ray tubes showed that all Atoms contain tiny negative charged electrons.

  • The Nuclear Model

    This model showed the atom has tiny, dense, positively charged core called the Nucleus. Which is where all the mass is stored.

  • The Bohr (Planetary) Model

    It is a system consisting of a small, dense nucleus surrounded be orbiting electrons.

  • Quantum Mechanical Model

    This model treats the electrons as matter waves. They have a Intrinsic property called Spin.

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