???????? ????????????????????????????????????????????????????????????????????????????? ?????It is a preview of membership material, log in by using an establishment to check obtain. Accessibility this text ???? ???????????????????????s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d9 more info 6s1?????????? [Xe]4f145d96s1????????????????????????