12 magg 1913 anni - -Niels Bohr was a theoretical nuclear physicist. Bohr proposed a theory in 1913 that electrons existed in set orbits around the nucleus, and was the key to the periodic repetition of properties of the elements. Bohr improved rutherford's model, making it so that electrons orbited around the nucleus in a fixed manner
Aggiunto al nastro di tempo:
Data:
12 magg 1913 anni
Adesso
~ 112 years ago