| PAIRED ELECTRON CONFIGURATION OF THE ELEMENTS |
| Copyright 1993 by Gerald E. Mowery No Claim on Government Information |
| 2-8-18-18-8-2 1+2(2-8-18-18-8-2)22 ELECTRON CONFIGURATION OF BARIUM **1****137.34**Ba**113 2-8-18-18-8-2 (135) *********************************************************************** |
| 2-8-18-18-9-2 1+2(2-8-18-18-8-3)22 ELECTRON CONFIGURATION OF LANTHANUM **1***138.91*La*115 2-8-18-18-9-2 (137) ********************************************************************** |
| Ce Cerium 117 See Below |
| 2-8-18-20-8-2 1+2(2-8-18-18-8-4)22 ELECTRON CONFIGURATION OF CERIUM **1**140.12*****Ce**117 2-8-18-20-8-2 (139) ********************************************************************* |
| 2-8-18-21-8-2 1+2(2-8-18-18-8-5)22 ELECTRON CONFIGURATION OF PRASEODYMIUM *1*140.91*Pr*119 2-8-18-21-8-2 (141) *********************************************************************** |
| 2-8-18-22-8-2 1+2(2-8-18-18-8-6)22 ELECTRON CONFIGURATION OF NEODYMIUM **1*144.24*Nd*121 2-8-18-22-8-2 (143) *********************************************************************** |
| 2-8-18-23-8-2 1+2(2-8-18-18-8-7)22-24 ELECTRON CONFIGURATION OF PROMETHIUM **1**146.91*Pm*123 2-8-18-23-8-2 (145-147) *********************************************************************** |
| 2-8-18-24-8-2 1+2(2-8-18-18-14-2)24 ELECTRON CONFIGURATION OF SAMARIUM **1**150.35**Sm**125 2-8-18-24-8-2 (149) *********************************************************************** |
| 2-8-18-25-8-2 1+2(2-8-18-18-15-2)24-26 ELECTRON CONFIGURATION OF EUROPIUM **1***151.96**Eu**127 2-8-18-25-8-2 (151-153) *********************************************************************** |
|
| 2-8-18-18-8-1 1+2(2-8-18-18-8-1)22 ELECTRON CONFIGURATION OF CESIUM **1****132.91**Cs**111 2-8-18-18-8-1 (133 *********************************************************************** |