Q1350
Radioactivity is due to
A.
Unstable nucleus
AnswerB.
Stable nucleus
C.
Stable electronic configuration
D.
None of the above
Answer: Option A
Solution
Answer: Option A
Solution:
Radioactivity is the release of energy and matter due to a change in the nucleus of an atom. Radioisotopes are isotopes that are unstable and release radiation. All isotopes are not radioisotopes. Transmutation occurs when a radioactive element attempts to become stabilized and transforms into a new element.