Hund's rules
Sign in to saveAlso known as '''Hund's rules'''
set of three rules proposed by physicist Friedrich Hund
Described at

Hund's Rules - Chemistry LibreTexts
Hund's rule states that: Every orbital in a sublevel is singly occupied before any orbital is doubly occupied. All of the electrons in singly occupied orbitals have the same spin (to maximize …
chem.libretexts.org →Link to a page describing this subject · 6,161 chars · not written by Vinony