alleryIn alpha decay, which nucleus is emitted?
AA hafnium nucleus
BA holmium nucleus
CA helium nucleus
DA hydrogen nucleus
Answer & Solution
Correct answer: C. A helium nucleus
1. Each decay type is named for what leaves the nucleus.
2. The alpha particle is a familiar light nucleus.
3. Alpha decay is that in which a helium nucleus is emitted.
4. So the answer is a helium nucleus.
_Source: syllabus Physics Part II, Ch 13 'Nuclei'_
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