1 ene 1932 año - James Chadwick's Atomic Theory
Descripción:
In 1932, James discovered the neutron. While experimenting with beryllium atoms with alpha particles, an unknown radiation was produced. Chadwick concluded this radiation as being composed of particles with a neutral electrical charge and the approximate mass of a proton. The neutrons were very hard to find because it did not repel the protons when it was in the atom.
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Atomic Theory Timeline - Adrianne Moran 4th Period Chemistry
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