Read the Assertion and Reason below and choose the correct option. — Nuclear Chemistry and Radioactivity Chemistry Question

💡 Solution & Explanation

As the number of protons increases, electrostatic repulsion grows. To maintain stability, extra neutrons are added to increase the strong nuclear force, causing the $N$ vs $Z$ curve to deviate towards the neutron (x-axis). Both statements are true and Statement II is the correct explanation. Therefore, correct answer is A.