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Which outcome dominates when iron-56 undergoes nuclear fission?

A)Input energy exceeds binding energy
B)Chain reaction criticality escalates rapidly
C)Radioactive daughter products form promptly
D)Neutron emission induces further reactions

💡 Explanation

Energy input to split the stable nucleus surpasses its strong nuclear force, because iron-56 has the highest nuclear binding energy per nucleon. Therefore, fission is highly endothermic, rather than self-sustaining like uranium or plutonium fission which releases net energy.

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