What is stated at the 1st part of the hund’s rule?
Answer (1)
10th Dec, 2021
The 1st part of the hund’s rule states that, for a particular electronic configuration, the electron having maximum spin multiplicity has the lowest energy. The multiplicity can be depicted as ( 2S+1), where S represents total spin angular momentum of the electrons.
The orbitals of the subshell will be singly occupied with electrons initially with parallel spin before pairing up occurs.
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