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8 marzo 1932 anni - Sir James Chadwick

Descrizione:

In 1932, James Chadwick bombarded beryllium atoms with alpha particles. An unknown radiation was produced. Chadwick interpreted this radiation as being composed of particles with a neutral electrical charge and the approximate mass of a proton. This particle became known as the neutron.

Aggiunto al nastro di tempo:

Atomic Theory Timeline

ByRachel
11 ott 2017
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Data:

8 marzo 1932 anni
Adesso
~ 93 years ago
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