1) For the lowest level:
Total Quantum Numbers
1.5
Spin Quantum Numbers
0.5
Orbital Quantum Numbers
2
Lande G-Factor
0.8
2) For the highest level:
Total Quantum Numbers
2.5
Spin Quantum Numbers
0.5
Orbital Quantum Numbers
2
Lande G-Factor
1.2
3) The ground state of the La atom. The ground state is 2D_3/2 and when its in metal we have a crystal field here. However, it’s a rare earth metal, thus we’ll have shielding from the outermost orbitals. Thus crystal field splitting won’t that drastic. Maybe it’ll be 0.8 as well?