Question

why hund's rule is not applicable to all elements? ​

Answer 1

• The number of singly occupied orbitals or unpaired electrons will decrease if Hund's rule is not applied. Total unpaired electrons if Hund's rule is followed is 5. ... Hence only one electron will be unpaired if this rule is not followed or is not applicable in a NO molecule.

Answer 2

Answer:

The number of singly occupied orbitals or unpaired electrons will decrease if Hund's rule is not applied. Total unpaired electrons if Hund's rule is followed is 5. Hence only one electron will be unpaired if this rule is not followed or is not applicable in a NO molecule.

Explanation: