The Atom Timeline April 5, 2018

By ericaboruff

  • Solid Sphere Model

    Dalton hypothesized that an atom is a solid sphere that could not be divided into smaller pieces

  • The Plum Pudding Model

    represented an attempt to consolidate the known properties of atoms at the time

  • The Nuclear Model

    Rutherford demonstrated that the atom has a tiny massive nucleus

  • Bohr Planetary Model

    The atom as a small positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus

  • Quantum Mechanics Model

    Used math equations to describe the likelihood of finding an electron in a certain postion