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稀土元素的主体一镧系元素原子的电子层结构为[Xe]4f~(0-14)5d~(0-1)6s~2。当其失去两个6s和一个5d或4f电子后,形成了最常见的Ln~(3+),其中La~(3+),Gd~(3+)及Lu~(3+)的4f亚层分别为全
The electronic structure of a lanthanide element of the main rare earth element is [Xe] 4f ~ (0-14) 5d ~ (0-1) 6s ~ 2. When it lost two 6s and one 5d or 4f electrons, the most common Ln ~ (3+) was formed. Among them, La ~ (3 +), Gd ~ (3+) and Lu ~ (3+) Layers were all