especiallyusefulinwriting configurationsofthehigheratomicnumberelements.Thenoblegascoreofsodiumis: Na:[Ne]3s 1 where[Ne]=1s 2 2s 2 2p 6. Anotherrepresentationofelectronsinanatomiscalledanorbitaldiagram.Insteadofdrawingboxesforeach orbital,drawonlyalineandplacethearrowsoverthelines.Makesureyouseparatethesub...
californiumchromatographycuriumhydrogen compoundslithium compoundsorganic compoundsresins/ f-electron configurationtrivalent f-elementThe separation of trivalent actinides (An) from lanthanides (Ln) is difficult because of their chemical similarities although it is necessary for various fields such as nuclear ...
Electron affinities and hyperfine structure for U− and U I obtained from relativistic configuration-interaction calculations. Phys. Rev. A 1995, 52, 2632. [Google Scholar] [CrossRef] Frautschi, S.C. Regge Poles and S-Matrix Theory; Benjamin: New York, NY, USA, 1963; Chapter X. [...
For the highly radioactive At atom, various sophisticated theoretical calculations, including the Multiconfiguration Dirac Hartree–Fock (MCDHF) value [15] agree excellently with the measured EAs [9]. Reference [9] employed the Coupled-Cluster method, while [15] used the MCDHF method. Further...