For four years, James Chadwick was a prisoner of war in Germany ... seem to be the only particle in the nucleus. As they studied atomic disintegration, they kept seeing that the atomic number ...

In 1913, Niels Bohr revised Rutherford's model by suggesting that the electrons ... However, there was still a difference between the atomic number of the atom and the atomic mass.

For four years, James Chadwick was a prisoner of war in Germany ... seem to be the only particle in the nucleus. As they studied atomic disintegration, they kept seeing that the atomic number ...