Question

what is Hunds's rule ?

Answer 1

Hund's rule :

Single occupation of electrons happens in every orbitals of a subshell, before any kind of double occupation of electrons in any subshell of that orbital.

• The Hund's rule is one of the most important laws of the chemistry.

• The Hund's rule is extremely important for doing the modern electronic configuration of the chemical elements.

• The Hund's rule also gave us a brief knowledge about the arrangement of electrons in the three dimensional reference.