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Give all term symbols of an atom with configuration s^1p^1
Accepted Answer
The possible term symbols for an atom with configuration s¹p¹ are:
²P₁/₂
²P₃/₂
This is determined using Hund's rules:
1. Maximum Multiplicity: The term with the highest spin multiplicity (2S+1) is the most stable. In this case, both terms have S = 1/2, giving a multiplicity of 2.
2. Maximum L: The term with the highest total orbital angular momentum (L) is more stable. For a p¹ configuration, L = 1 (P term).
3. Lowest J: For a less than half-filled subshell, the term with the lowest total angular momentum (J = |L - S| to L+S) is the most stable. Therefore, we get ²P₁/₂ and ²P₃/₂.
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