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Which decay pathway dominates when neutron-rich nuclei destabilize?

A)Beta-minus decay becomes prevalent
B)Alpha decay becomes more frequent
C)Spontaneous fission rate escalates
D)Gamma emission likelihood increases

💡 Explanation

Beta-minus decay transforms a neutron into a proton by weak interaction, therefore mass number stays constant, because this stabilizes neutron-rich nuclei by reducing the neutron-to-proton ratio, rather than other decay pathways that alter mass number differently.

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