21 apr 1913 anni - Niels Bohr 1885-1962
Descrizione:
Proposed a theory for the hydrogen atom based on quantum theory that energy is transferred only in certain well defined quantities. Electrons should move around the nucleus but only in prescribed orbits. When jumping from one orbit to another with lower energy, a light quantum is emitted.Aggiunto al nastro di tempo:
Data:
21 apr 1913 anni
Adesso
~ 111 years ago
