The isotope which decay by β-1 emission to produce 48Cd111 is
Correct answer: A. 47Ag111
- A. 47Ag111
- B. 47Ag110
- C. 47Ag112
- D. 49In111
Explanation
In β⁻ emission (beta minus decay): An electron (β⁻ particle) is emitted.→ Atomic number increases by 1, mass number stays same.So the parent nucleus must have:Same mass number = 111Atomic number = 48 − 1 = 47Element number 47 is Silver (Ag).
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About Radioactive Decay
Radioactive decay is the spontaneous transformation of unstable nuclei, described by decay constant, activity, half life and the exponential decay law. Work includes alpha, beta and gamma emissions, decay equations and remaining nuclei, with half life distinguished from the time required for complete decay.
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