136号元素价电子排布式.docx

《136号元素价电子排布式.docx》由会员分享，可在线阅读，更多相关《136号元素价电子排布式.docx（3页珍藏版）》请在第一文库网上搜索。

1、原子序数元素符号电子排布式1HIs12HeIs231i1s22s14Be1s22s25B1s22s22p16C1s22s22p27N1s22s22p58O1s22s22p49F1s22s2252、IO-18号元素原子的电子排布式原子序数元素符号电子排布式10Ne1s22s22p611Na1s22s22p63s1或Ne3s,12Mg1s22s22p63s2或Ne3s213A11ss22p63s23p1或Ne3s23p114Si1ss22p63s23p2或Ne3s23p215P1s22s22p63s23p3或Ne3s23p316S1s22s22p63s23p4或Ne3s23p417C11s22s2

2、2p63s23p5或Ne3s23p518Ar1s22s22p63sp6原子序数元素符号电子排布式19K1s22s22p63s23p64s1cA4s120Ca1s22s22p63s23p64s2或Ar4s221Sc1s22s22p63s23p63d14sAr3d14s222Ti1s22s22p63s23p63d24s2或Ar3d24s223V1s22s22p63s23p63d34s2Ar3d34s224Cr1s22s22p63s23p63d54sAr3d54s125Mn1s22s22p63s23p63d54sAr3d54s226Fe1s22s22p63s23p63d64sAr3d64s227Co

3、Is22s22p63s23p63d4s2或Ar3d74s2说明：（1）根据原子的构造原理，原子核外的电子在充满4s轨道（能级层）后再填充3d轨道（能级层），所以K的电子排布式如上图所示。（2）根据洪特规则可知，等价轨道在全充满、半充满和全空时最稳定，所以Cr、Mn的电子排布式如上图所示，它们的3d轨道处于半充满状态。4、28-36号元素原子的电子排布式原子序数元素符号电子排布式28Ni1s22s22p63s23p63d84sAr3d74s229Cu1s22s22p63s23p63d104s1或Ar3d104s,30Zn1s22s22p63s23p63d104s2或Ar3d104s231GaIs22s22p63s23p63d14s24pi或Ar3d104s24p,32Ge1s22s22p63s23p63d104s24pAr3d104s24p233As1s22s22p63s23p63d104s24pAr3d104s24p334Se1s22s22p63s23p63d104s24p4Ar3d104s24p435Br1s22s22p63s23p63d104s24pAr3d104s24p536Kr1s22s22p63s23p63d104s24p6说明：根据洪特规则可知，等价轨道在全充满、半充满和全空时最稳定，所以Cu、Zn的电子排布式如上图所示，它们的3d轨道处于全充满状态。