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April 1, 2024
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24 jul 1932 ano - James Chadwick

Descrição:

The atom was believed to be composed of a positively charged nucleus surrounded by negatively charged electrons. James Chadwick bombarded beryllium atoms with alpha particle and then an unknown radiation was produced.

Adicionado na linha do tempo:

27 set 2018

Data:

24 jul 1932 ano
Agora
~ 91 years ago