- #1
LagrangeEuler
- 717
- 20
Homework Statement
Structure of natrium
##1s^2 2s^2 2p^6 3s^1 ##
How to calculate ##L## and ##S##?
Homework Equations
The Attempt at a Solution
From that ##S=\frac{1}{2}##. I know that I need to get ##L=0## and ##J=\frac{1}{2}##, but I'm not sure why?