Pauli Formulates Exclusion Principle
At a glance:
- Series: Great Events: 1900-2001
- Categories: Science, Natural Phenomena
- Subcategories: Physics, Physicists
- Curriculum: 20th & 21st Century European History, German History
- Geographical Location: Germany
- Date: 1925
Article abstract: Wolfgang Pauli defined the exclusion principle, which states that no more than two electrons can occupy the same energy level in an atom at the same time.
The New Atom
The early 1900’s brought revolutionary changes in ideas about the structure of the atom. It began when the German physicist Max Planck proposed that light could be emitted or absorbed by matter only in bundles, called “quanta.” Laboratory experiments led Ernest Rutherford, a British physicist, to propose that the atom was a “planetary” structure in which...
[The entire page is 1062 words long]