The Atom Timeline

By benitezj6

  • John Dalton: Solid Sphere Model

    Performed experiments with various chemicals that showed that matter and developed modern atomic theory.

  • J.J Thompson: The Plum Pudding Model

    English physicist, discovered the electron and proposed a model for the structure. He knew that electrons had a negative charge and had a theory matter must have a positive charge.

  • Ernest Rutherford: Nuclear Model

    Used alpha rays to bombard atoms, lead to a theory of the inside of a atom. Rutherford used radium as the source of the alpha particles and shinned them onto the atoms in gold foil.

  • Niels Bohr: The Bohr Model

    Came up with a theory that said the electrons do not spiral into the nucleus and came up with some rules. Came up with the 2 rules.

  • Erwin Schrodinger: Quantum Mechanic Model

    Thought of ways electrons move as a wave and formed the basis of wave mechanics from his theories.