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21 mar 1922 ano - Neils Bohr

Descrição:

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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21 mar 1922 ano
Agora
~ 103 years ago
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