In the sequence of the given nuclear reaction, what is the value of n
A
3
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B
4
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C
5
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D
6
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Solution
The correct option is B 4
Alpha decay or α−decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and thereby transforms or 'decays' into a different atomic nucleus, with a mass number that is reduced by four and an atomic number that is reduced by two.
And beta decay (β−decay) is a type of radioactive decay in which a beta particle (fast energetic electron or positron) is emitted from an atomic nucleus, transforming the original nuclide to an isobar.