Exam-style question
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Which decay mode is characterized by the emission of a helium nucleus?.
- A.Alpha decay
- B.Beta decay
- C.Gamma decay
- D.Neutron emission
Model answer
What a good answer should say
- Alpha decay
Explanation
Why this works
Alpha decay is characterized by the emission of an alpha particle, which is a helium nucleus consisting of two protons and two neutrons, reducing the mass of the original nucleus.
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