Chapter 20, Problem 32R

To determine

To Choose: The correct option.

Answer to Problem 32R

Option A

Explanation of Solution

Introduction:

Nuclei with more than 82 protons are unstable and they undergo radioactive decay to attain stability.

Option (b) is incorrect because repulsive nature is present in atom with less than 82 protons as well.

Option (c) is incorrect because atom with less than 82 protons can be synthetic.

Option (d) is incorrect because proton values do not define the stability of atom.

Conclusion:

Thus, option A is correct.