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1 gen 1932 anni - James Chadwick

Descrizione:

-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

Aggiunto al nastro di tempo:

Data:

1 gen 1932 anni
Adesso
~ 93 years ago

Immagini: