Question

An article about half-lives describes a parent isotope. What is a parent isotope?

Answer 1

A. The isotope that forms from the radioactive decay of a less stable isotope

Explanation:

Edge 2021

Answer 2

A parent isotope plays an important role in the decay chain process. The parent isotope is the one who undergoes the decay process in the nuclear reaction in order to form its daughter isotope. The daughter isotope may decay on its own and may have its own daughter isotope as well.