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17 Apr 1932 Jahr - James Chadwick-Discovery of Neutrons

Beschreibung:

1932-Using alpha particles, James discovered that neutral atomic particle had a mass close to a proton and a charge of 0. Thus the neutron was discovered. The experiment was when he shot alpha rays onto a sheet of beryllium (filtered out electrons) .

Zugefügt zum Band der Zeit:

16 Okt 2017
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0
346

Datum:

17 Apr 1932 Jahr
Jetzt
~ 92 years ago