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按核外电子排布规律,d区元素出现很多例外。本文从电子组态能量计算,并结合洪特规则及原子模型的松紧效应,提出d区元素原子核外电子排布所遵循的规律:①电子先填充(n-1)d轨道,然后再填充ns轨道。②最后填充的电子有一个或两个进入ns轨道,还是全部填进(n-1)d轨道,取决哪种电子组态最稳定。稳定的电子组态是有一定规律的,综合地考虑这些规律,大体上就能确定d区元素原子核外电子的实际排布。
According to the arrangement of electrons outside the nuclear rules, there are many exceptions to the d-zone elements. In this paper, the electronic configuration of energy calculations, combined with the Hunt rule and the elastic effect of the atomic model, proposed rules of the d-region elements outside the atomic arrangement of electrons follow: ① electron first fill (n-1) d orbit, and then fill ns track. ② The last filled electron has one or two into the ns track, or all filled (n-1) d track, depending on which electronic configuration is the most stable. Stable electronic configuration is a certain law, comprehensive consideration of these laws, in general, to determine the actual arrangement of the d-element atomic nuclei outside the electron.