Niels Bohr 1913
Nieles Bohr's Nationality: Danish Niels Bohr worked with Ernest Rutherford and helped Rutherford revise his atomic model because their were some problems with it. While revising, Bohr discovered that electrons travel in separate orbits around the nucleus. He also discovered that the number of electrons in the outer orbit (shell) determines the properties of an element. |
Atomic Model
Bohr Model summarized in four principles:
|