Physics · Atomic and Molecular Physics
For magnetic moment calculation in lanthanides, the spin contribution S and orbital contribution L couple together to give a new quantum number J. Which of the following relations is correct when the electronic shell is less than half-full?
- 1J = L - S✓
- 2J = S - L
- 3J = L + S
- 4J = L × S
Correct answer
J = L - S
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