Atom timeline

Dalton Solid Sphere Model

Apr 13, 1803

The solid sphere model suggests that an atom is little more than a singular, solid particle without other components.

Thompson: The Plum Pudding Model

Apr 13, 1897

Thompson's model basically says that atoms are spheres (cookies) which has an overall, diffuse positive charge (the cookie dough) ...

Rutherford: The Nuclear Model

Apr 13, 1911

Rutherford atomic model, also called nuclear atom or planetary model of the atom, description of the structure of atoms

Bohr: The Bohr (Planetary) Model

Apr 13, 1913

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

Schrodinger: Quantum Mechanics Model

Apr 13, 1925

is a partial differential equation that describes how the quantum state of a physical system changes with time. It was formulated in late 1925, and published in 1926,

Todays date

Apr 13, 2015