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← ScienceWhich outcome results when nuclei exceed binding energy thresholds?
A)Spontaneous nuclear fission occurs✓
B)Alpha particles are strongly emitted
C)Beta decay half-life increases
D)Nuclear fusion becomes more stable
💡 Explanation
Spontaneous fission occurs because exceeding the binding energy threshold causes the strong nuclear force to be insufficient for stability; therefore a heavy nucleus splits, rather it remains stable because excess energy is released immediately.
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