In 1913, Niels Bohr revised Rutherford's model by suggesting that the electrons ... It wasn't until 1932 that James Chadwick was able to prove its existence. Chadwick used a version of ...

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 ...

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 ...