Question

What differs between a radioactive isotope and a stable isotope?

A.Radioactive isotopes last longer.
B.Radioactive isotopes last for less time.
C.Stable isotopes are shorter.
D.There is no difference.

Answer 1

B. Radioactive isotopes last for less time, is the one among the following choices given in the question that shows the way a radioactive isotope and a stable isotope differs. It last for less time because it is not stable.

Answer 2

B. "Radioactive isotopes last for less time" I believe.



Hope this helped ^^;