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21 marzo 1922 anni - Neils Bohr

Descrizione:

He was the first to discover that electrons travel in separate orbits around the nucleus. He also discovered that the number of electrons in the outer orbit determines the properties of an element.

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Atomic Timeline

ByTrinity Johnson
27 set 2018
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Data:

21 marzo 1922 anni
Adesso
~ 103 years ago
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