Answer :
Final answer:
When the radioisotope Cerium-141 undergoes alpha decay, it produces a new isotope called Barium-137.
Explanation:
The question asked is about the radioisotope that is produced when Cerium-141 undergoes alpha decay. Alpha decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle. When an alpha particle is emitted, the atomic number decreases by 2 and the mass number decreases by 4.
In the case of Cerium-141 (atomic number 58, mass number 141), when it undergoes alpha decay, a new radioisotope with the atomic number 56 (58-2) and a mass number 137 (141-4) is produced. This isotope is Barium-137 (Ba-137).
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