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← ScienceWhich mechanism increases stability during iron nuclei formation?
A)Increased nuclear binding energy per nucleon✓
B)Decreased neutron-proton electromagnetic repulsion
C)Enhanced alpha decay quantum tunneling
D)Minimized nuclear surface tension effects
💡 Explanation
Greater stability results from higher binding energy per nucleon because nuclear binding energy reflects the energy required to disassemble a nucleus; therefore, increased binding implies a stronger nucleus, rather than lower energy states via decay mechanisms.
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