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← ScienceFor iron-56, which outcome results from increased mass defect?
A)Greater nuclear binding energy✓
B)Increased radioactive decay
C)Lowered neutron capture cross-section
D)Decreased alpha particle emission
💡 Explanation
High mass defect implies more mass converted to binding energy via Einstein's mass-energy equivalence; the nucleus is held together with greater force because the strong nuclear force overcomes proton repulsion; therefore, stability increases, rather than increased decay.
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