https://physlab-wiki.com/ 2026-04-23T03:34:36+00:00 https://physlab-wiki.com/ https://physlab-wiki.com/lib/tpl/UChicago/images/favicon.ico text/html 2026-02-03T11:25:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://physlab-wiki.com/phylabs/lab_courses/supplemental-material/physics-and-mathematics-references/spectroscopic_notation/start?rev=1770135949&do=diff Spectroscopic Notation ---------- The combination of energy and orbital angular momentum together determine the orbital or shell in which the electron resides. We may write an electron orbital as 1s, 2s, 2p, 3d, etc. where the letter here is representative of the azimuthal quantum number $\ell$$\ell$$\ell$$n\ell^x$$n$$x$$1s^2 2s^2 2p^1$$n=1$$\ell =0$$n=2$$\ell =0$$n=2$$\ell =1$$\textrm{n}{}^{2\textrm{s}+1}\textrm{L}_\textrm{j}$$n$$s$$L$$\ell$$j$$\left( \overrightarrow j = \overrightarrow s + \…