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The manganese (ii) ion is known to have a d5 configuration having the following term symbols: 4g, 4d, 4f, 6s, 4p. The therm symbol of highest energy would be

Accepted Answer

The term symbol of highest energy is 4F. This is because the energy of a term symbol is determined by the following rules:
1. Higher spin multiplicity (S) has higher energy. All the term symbols given have the same spin multiplicity (S = 2.5).
2. Higher L value has higher energy. The L values for the given terms are:

4G: L = 4

4D: L = 2

4F: L = 3

6S: L = 0

4P: L = 1
Therefore, 4F has the highest L value and thus the highest energy.

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