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← ScienceWhich outcome results when an unstable isotope undergoes alpha decay?
A)Nuclear binding energy redistribution.✓
B)Increased rate of nuclear fission.
C)Neutron absorption cross-section declines.
D)Electron degeneracy pressure increases greatly.
💡 Explanation
Alpha decay from unstable isotopes leads to nuclear binding energy redistribution because heavy nuclei become more stable by lowering the repulsive forces via quantum tunneling of the alpha particle; therefore lower energy follows rather than fission or neutron absorption under normal decay.
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