According to Bohr model, the radius of Ne ion in ground state should be — Atomic Structure Chemistry Question

💡 Solution & Explanation

Radius $r = 0.529 \frac{n^2}{Z}$ Å. For Ne$^{9+}$ ($Z=10, n=1$), $r = 0.529 \frac{1^2}{10} = 0.0529$ Å. Therefore, correct answer is B.