Answer :
Final answer:
The daughter nuclide of a Lead-210 isotope undergoing alpha decay is Bismuth-206.
Explanation:
In alpha decay, a Lead-210 isotope would decay into a Bismuth-206 nuclide. This is because during alpha decay, the atomic nucleus emits an alpha particle, which consists of two protons and two neutrons. As a result, the atomic number of the nucleus decreases by 2 and the mass number decreases by 4.
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