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The neutron was discovered in 1932 by:

AJ. Charnwood
BJ. Chadwick
CJ. Chadworth
DJ. Chapworth
Answer & Solution
Correct answer: B. J. Chadwick
1. The particle had no charge at all. 2. Its mass nearly equals that of a proton. 3. J. Chadwick discovered it. _Source: syllabus Science, Ch 4 'Structure of the Atom'_
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