1935 Nobel Prize in Physics : James Chadwick

ram H singhal

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Since the atom, as a whole, is neutral, there must be a positive charge associated with the atom equal in amount to the sum of the negative charges. The electrical forces between the positive and negative charges preserve the equilibrium of the atom.
James Chadwick

I think we shall have to make a real search for the neutron.
James Chadwick

Feb. 27, 1932: Neutron Discovered; A-Bomb on the Way

1932: English physicist James Chadwick publishes a letter on the existence of the neutron. His discovery helps clear the way for splitting the nuclei of even the heaviest atomic elements, making possible the development of the atomic bomb.

Unlike the proton, the other large subatomic particle that helps form the nucleus of an atom, the neutron contains no electric charge. This enables it to pass through the electric barrier of heavy atoms to penetrate and split their nuclei, the basis of the…

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