Hund's rule states that the most stable arrangement of electrons (for a ground state electron configuration)
A) has a filled valence shell of electrons.
B) has three electrons per orbital,each with identical spins.
C) has values greater than or equal to +1.
D) has the maximum number of unpaired electrons,all with the same spin.
E) has two electrons per orbital,each with opposing spins.

Question

Hund's rule states that the most stable arrangement of electrons (for a ground state electron configuration)
A) has a filled valence shell of electrons. 
B) has three electrons per orbital,each with identical spins. 
C) has values greater than or equal to +1. 
D) has the maximum number of unpaired electrons,all with the same spin. 
E) has two electrons per orbital,each with opposing spins.

Quizplus · Accepted Answer

Hund's rule states that the most stable arrangement of electrons has the maximum number of unpaired electrons, all with the same spin. This is because unpaired electrons have a higher energy and are more easily shared or transferred, making them more reactive.

Hund's Rule States That the Most Stable Arrangement of Electrons