Of the following isotopes, which one is likely to be the most stable? — Nuclear Chemistry and Radioactivity Chemistry Question

💡 Solution & Explanation

Nuclei with even numbers of both protons and neutrons are generally more stable. Zinc has an atomic number of 30 (even). $\text{Zn}^{64}$ has 34 neutrons (even), making it an "even-even" nucleus and thus the most stable among the choices. Therefore, correct answer is D.