Table 8.2 Spectroscopic Symbols for Two Electrons: 0ne in 4p and One in 4d Spectroscopic Symbol S L J 4'P1 4'D2 4'F% 1 1 0 (singlet) 3 3 4*P2 4*P1 1 (triplet) 1 1 4°P0 4*D3 4*D2 4*D1 3 1 (triplet) 1 4*F4 4*F3 4*F2 1 (triplet) 3 3

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