A lithium atom has three electrons, and the 2S1 2 ground state electron configuration is 1s22s The 1s22p excited state is split into two closely spaced levels, 2P3 2 and 2P, by the spin orbit interaction (see Example 41 6 in Section 41 3) A photon with wavelength 67 09608m is emitted in the 2P3 2 2S transition, and a photon with wavelength 67 09761m is emitted in the 2p 2S transition Calculate the effective magnetic field seen by the electron in the 1s22p state of the lithium atom How does your result compare to that for the 3p level of sodium found in Example 41 6

Question: A lithium atom has three electrons, and the 2S1/2 ground-state electron configuration is 1s22s. The 1s22p excited state is split into two closely spaced levels,

A lithium atom has three electrons, and the 2S1/2 ground-state electron configuration is 1s22s. The 1s22p excited state is split into two closely spaced levels, 2P3/2 and 2P½, by the spin-orbit interaction (see Example 41.6 in Section 41.3). A photon with wavelength 67.09608µm is emitted in the 2P3/2 → 2S½ transition, and a photon with wavelength 67 .09761µm is emitted in the 2p½ → 2S½ transition. Calculate the effective magnetic field seen by the electron in the 1s22p state of the lithium atom. How does your result compare to that for the 3p level of sodium found in Example 41.6?.

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