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← ScienceWhich consequence results when nuclear binding energy decreases in heavy isotopes?
A)Lower frequency of nuclear magnetic resonance
B)Increased probability of spontaneous fission✓
C)Higher rate of beta-minus decay
D)Reduced cross-section for neutron absorption
💡 Explanation
Decreased binding energy implies a less stable nucleus and a higher probability of spontaneous fission because mutual electrostatic repulsion overcomes the strong nuclear force. Therefore the fission yield increases, rather than enhanced stability or altered decay modes.
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