A Comment on the Energy Levels of the Lithium atom

Frank Rioux, College of Saint Benedict/Saint John's University


Recently Saleh-Jahromi and Moebs (1998 Eur. J. Phys. 19 355) presented an interesting set of calculations on two-electron (He, Li+, Be2+) and three-electron (Li, Be+, B2+) species suitable for undergraduate quantum mechanics courses. This comment offers an extension to these calculations on the three-electron species.