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The neutron was discovered in the year:
A1952
B1932
C1922
D1942
Answer & Solution
Correct answer: B. 1932
1. The discovery came after the proton was characterised.
2. Chadwick discovered the neutron in 1932.
3. So the correct answer is 1932.
_Source: syllabus Chemistry, Ch 2 'Structure of Atom'_
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