The hydrogen -like species `Li^(2+)` is in a spherically symmetric state `S_(1)` with one node. Upon absorbing light , the ion undergoes transition to a state `S_(2)`. The state `S_(2)` has one radial node and its energy is equal is to the ground state energy of the hydrogen atom.
The orbital angular momentum quantum number of the state `S_(2)` is

Options

A. 0
B. 1
C. 2
D. 3

Answer

B

Explanation

As stated , `S_(2)` state is for 3p-orbital. For 3p orbital, angular quantum number l=1