1 янв 1932 г. - James Chadwick
Описание:
-1891-1974, England-The nucleus of an atom contains neutrons, electrically neutral particles with a mass similar to that of a proton, in 1932
-Bombarded beryllium with alpha particles and discovered Rutherford's missing neutral particles
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1 янв 1932 г.
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~ 93 г назад