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← ScienceWhich outcome results when electron capture occurs in beryllium-7?
A)Lithium-7 and a neutrino emission✓
B)Increased alpha decay chain activity
C)Absorption of a high-energy photon
D)Formation of unstable beryllium-8 isotope
💡 Explanation
Electron capture triggers nuclear transmutation because a proton converts into a neutron via Weak Interaction, resulting in lithium-7 plus neutrino emission. Electron emission does not occur; therefore, beryllium-8 or gamma ray absorption are not formed, rather, lithium formation occurs.
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