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Explain how the microstates table allows you to find a triplet or singlet term
Accepted Answer
The microstates table helps determine the multiplicity (singlet or triplet) of a term symbol by analyzing the total spin angular momentum (S).
1. Count the number of unpaired electrons (n): The table represents all possible spin arrangements for these electrons.
2. Calculate the total spin angular momentum (S): S can range from n/2 to -n/2 in steps of 1. Each row in the table represents a different value of S.
3. Multiplicity: Multiplicity is calculated as (2S + 1).
- Singlet (S=0): Multiplicity = 1 (only one possible spin state)
- Triplet (S=1): Multiplicity = 3 (three possible spin states)
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