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← ScienceWhich emission type predominates when neutron-rich isotopes radioactively decay?
A)Beta-minus particle emission✓
B)Alpha particle emission
C)Positron emission
D)Neutron emission
💡 Explanation
Beta-minus decay dominates because the weak nuclear force causes a neutron to transmute into a proton, emitting an electron (beta-minus particle) and an antineutrino. Therefore, neutron-rich isotopes decay via beta-minus decay, rather than other pathways, to achieve stability.
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