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1 Jan 1932 Jahr - James Chadwick

Beschreibung:

Shot beryllium with charged alpha particles. This produced an unknown radiation. Chadwick interpreted this as neutral charge with the same average mass of proton. This is the discovery of the neutron.

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Bybllo
2 Okt 2018

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1 Jan 1932 Jahr
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~ 92 years ago

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