Grotrian diagram
Encyclopedia
A Grotrian diagram or term diagram shows the allowed transitions between the energy levels of atoms. They can be used for one electron and multi electron atoms. They take into account the specific selection rules related to changes in angular momentum of the electron. The diagrams are named after Walter Grotrian
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Walter Grotrian
Walter Robert Wilhelm Grotrian was a German astronomer and astrophysicist.Grotrian studied the emission line from the solar corona in the green region of the spectrum; this emission line could not be attributed to any known chemical element and was thought to be a new element...
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