Question

hunds rule explain easily.

Answer 1

Hund's rule: every orbital in a subshell is singly occupied with one electron before any one orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin.

Answer 2

Bunds rule :- States that every orbital in a subshell is singly occupied with one electron before any one orbital is doubtly occupied and all electrons which is occupied here these orbitals have the same spin