1 ene 1932 año - James Chadwick
Descripción:
James Chadwick assaulted beryllium atoms with alpha particles. An unknown radiation was produced. Chadwick interpreted this radiation as being composed of particles with a neutral electrical charge and the approximate mass of a proton. This particle became known as the neutron.
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fecha:
1 ene 1932 año
Ahora mismo
~ 93 years ago
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