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Which outcome results when enriched Uranium-235 undergoes neutron capture?

A)Nuclear fission chain reaction initiates
B)Alpha decay produces Thorium-231
C)Beta decay generates Neptunium-239
D)Isotopic enrichment becomes less efficient

💡 Explanation

Nuclear fission initiates because neutron capture by Uranium-235 causes nuclear instability and subsequent splitting, releasing more neutrons, therefore sustaining fission, rather than alpha or beta decay which require different nuclear configurations.

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