Question

From the following, which is a heavy isotope?

• A. ${}^{16}C$
• B. ${}^{3}H$
• C. ${}^{15}N$
• D. ${}^{32}P$.

Answer 1

The correct option is C ${}^{15}N$

A stable atom in which there are more neutrons than in the normal isotope of the element, giving it a greater mass. For example, ${}^{15}N$ is the heavy isotope, ${}^{14}N$ the common form.

Hence the correct answer is (C)