James Chadwick (20 oct 1891 año – 24 jul 1974 año)
Descripción:
Chadwick discovered the neutron. He did this by exposing beryllium to alpha rays. It released an unknown radiation that ejected the protons from the nuclei of various substances. He said the radiation was something the same size as a neutron but without charge.Añadido al timeline:
fecha:
20 oct 1891 año
24 jul 1974 año
~ 82 years