| 单词 | multiplicity |
| 释义 | multiplicity A quantity used in atomic spectra to describe the energy levels of many-electron atoms characterized by Russell-Saunders coupling given by 2S + 1, where S is the total electron spin quantum number. The multiplicity of an energy level is indicated by a left superscript to the value of L, where L is the resultant electron orbital angular momentum of the individual electron orbital angular momenta l |
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