Exam-style question
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Which decay mode is most likely for a heavy nucleus with a low neutron-to-proton ratio?.
- A.Alpha decay
- B.Beta decay
- C.Gamma decay
- D.Electron capture
Model answer
What a good answer should say
- Alpha decay
Explanation
Why this works
Heavy nuclei with a low neutron-to-proton ratio often undergo alpha decay to reduce their mass and increase stability by emitting an alpha particle.
Common mistake
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