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← ScienceWhich risk increases when heavy nuclei with excess neutrons decay?
A)Subsequent beta decay chain reaction
B)Increased alpha particle kinetic energy
C)Spontaneous fission process occurrence rate✓
D)Enhanced gamma radiation wavelength emission
💡 Explanation
Spontaneous fission occurs more readily because the neutron-rich nuclei are lessstable, increasing the probability of overcoming the fission barrier. Therefore, the fission rate escalates in these isotopes rather than triggering cascade beta decays.
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