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The neutron was discovered by whom?

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in Physics – Class 12 by (135k points)
The neutron was discovered by whom?

(a) Marie Curie

(b) Pierre Curie

(c) Rutherford

(d) James Chadwick

This question was addressed to me by my college director while I was bunking the class.

My question is taken from Atomic Masses and Composition of Nucleus topic in portion Nucleus of Physics – Class 12

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Correct option is (d) James Chadwick

For explanation I would say: Neutrons are chargeless subatomic particles. It was discovered by James Chadwick in 1932. They are present in all-atom nuclei except those of ordinary hydrogen. The neutron was initially very difficult to detect and therefore, the last to be discovered.

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