What differs between a radioactive isotope and a stable isotope of the same element?
(A) Radioactive isotopes last for less time.
(B) Stable isotopes are usually heavier.
(C) Stable isotopes break down quickly.
(D) Radioactive isotopes do not break down.
*NOTE* i do not need a explanation just the letter :)
quick answer is A :) it’s A because it is the one among the following choices given in the question that shows the way a radioactive isotope and a stable isotope differs, the correct option among the options that are given must be A