Question

Arrange in decreasing order , the energy of 2s orbital in the following atoms H, Li, Na , K
A. `E_(2s(H)) gt E_(2s(Li)) gt E_(2s(Na)) gt E_(2s(K))`
B. `E_(2s(H)) gt E_(2s(Na)) gt E_(2s(Li)) gt E_(2s(K))`
C. `E_(2s(H)) gt E_(2s(Na)) = E_(2s(K)) gt E_(2s(Li))`
D. `E_(2s(K)) lt E_(2s(Na)) lt E_(2s(Li)) lt E_(2s(H))`

Answer 1

Correct Answer - D