Which subatomic particle was discovered by James Chadwick in 1932?

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A Proton
B Electron
C Neutron
D Positron

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Answer: C. Neutron

Explanation: James Chadwick discovered the neutron, a subatomic particle that has no charge (neutral) and a mass nearly equal to that of a proton.

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Which subatomic particle was discovered by James Chadwick in 1932?

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