
Concept explainers
Interpretation: The daughter nuclei formed by the alpha decay of polonium-214 is to be identified from the given options.
a)
b)
c)
d)

Answer to Problem 1SAQ
Solution: Correct option is (d).
Explanation of Solution
The original atom is called parent nuclide, and the product of the decay is called the daughter nuclide. The sum of the
The mass number decreases by 4 and the atomic number decreases by 2 during alpha decay. Referring to the periodic table, the atomic number of polonium (Po) is 84.Start with the symbol for
Equalize the sum of the mass numbers and the sum of the atomic numbers on both sides of the equation by writing the appropriate mass number and the atomic number for the unknown daughter nuclide.
Refer to the periodic table to deduce the identity of the unknown daughter nuclide from its atomic number and write its symbol. Since the atomic number is 82, the daughter nuclide will be lead (Pb).
Thus, the daughter nuclide will be lead (
The daughter nuclei formed by the alpha decay of polonium-214 is
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Chapter 19 Solutions
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