| − | A set of orbitals are said to be degenerate if they all have the same [[energy]]. This degeneracy can sometimes be "lifted" by external [[electricity|electric]] or [[magnetism|magnetic]] fields. <ref>http://antoine.frostburg.edu/chem/senese/101/electrons/glossary.shtml</ref> | + | A set of [[atomic orbital]]s are said to be '''degenerate''' if they all have the same [[energy]]. This degeneracy can sometimes be "lifted" by external [[electricity|electric]] or [[magnetism|magnetic]] fields. <ref>http://antoine.frostburg.edu/chem/senese/101/electrons/glossary.shtml</ref> |