Hund s rule definitions

Hund's rule

rule of maximum multiplicity. A rule of thumb stating that subshells fill so that the number of unpaired spins is maximized, or 'spread them out and line them up.'
Found on http://antoine.frostburg.edu/chem/senese/101/glossary/h.shtml

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Hund's rule

A rule of thumb stating that subshells fill so that the number of unpaired spins is maximized. Also known as the rule of maximum multiplicity.
Found on http://www.daviddarling.info/encyclopedia/H/Hunds_rule.html

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Hund's Rule

All orbitals of a given sublevel must be occupied by single electrons before pairing begins.
Found on http://www.encyclo.co.uk/local/20728

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