Chemistry - Atomic Structure Question with Solution | TestHub

Radial nodes for 2s orbital is at distance$\left(\frac{2{\text{a}}_0}{\text{Z}}\right)$

For (A)$\left(\frac{2{\text{a}}_0}{\text{Z}}\right)$is least Z = 3 for Li²⁺

For (B)$\left(\frac{2{\text{a}}_0}{\text{Z}}\right)$is intermediate Z = 2 for He⁺

For (C)$\left(\frac{2{\text{a}}_0}{\text{Z}}\right)$is maximum Z = 1 for H.

A - Li²⁺, B - He⁺, C - H.