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1 gen 1913 anni - Niels Bohr
Descrizione:
Discovered that electrons travel in separate orbits and the number of electrons in the out orbit determines the propeties of n element
Aggiunto al nastro di tempo:
19 dic 2019
0
0
233
Colby's Timeline
Data:
1 gen 1913 anni
Adesso
~ 111 years ago