An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Hund's rule
  رزن ِ هوند  
razan-e Hund
Fr.: règle de Hund  

An empirical rule stating that all orbitals of a given sublevel must be occupied by single electrons before pairing begins.

See also: After the German physicist Friedrich Hund (1896-1997), known for his work on atoms and molecules. → rule.