33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
2086482
174067
2
Public Timelines
FAQ Get premium

jan 1, 1925 - Hund's Rule (1925)

Description:

Friedrich Hund developed a rule for filling a set of electron orbitals that have equal energies, within the multiple orbital p, d, and f sub-levels.

Added to timeline:

Date:

jan 1, 1925
Now
~ 100 years ago