Physics, 25.10.2020 22:30, queengenni

An article about half-lives describes a parent isotope. What is a parent isotope? the isotope that forms from the radioactive decay of a less stable isotope
the isotope that forms from the radioactive decay of a more stable isotope
an isotope that undergoes radioactive decay to form a less stable isotope
an isotope that undergoes radioactive decay to form a more stable isotope

The answer is D. an isotope that undergoes radioactive decay to form a more stable isotope on E2020

I got it right on a test. Have a good day c:

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