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2.4 IA IB IIIAstaff.ustc.edu.cn/~xjun/2019_lecture11.pdf3p 3p 4p 4p 5p 5p 4p 5p 6p 7p 7p 3d 3d 3d 4d 4d 4d 4d 4f 5d 5d 6d 6d 7d 7d 5f 4f 7f 6f 5f 4f 4f 碱金属原子的能级和谱项图
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