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4 gen 1932 anni - James Chadwick James Chadwick had by bombarding beryllium with alpha particles that a unknown radiation was being emitted and that it was coming from a neutrally charged particle which was named the neutron

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atomic theory timeline

ByNaiven
5 ott 2018
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Data:

4 gen 1932 anni
Adesso
~ 93 years ago
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