Q. The molecular electronic configuration of $Be_{2}\$is

A) [image:4_image48.emf]
B) $KK\sigma 2S^{2}$
C) [image:4_image49.emf]
D) None of the above
Explanation

(c)
$Be_{2}$ = (8 electrons)
$\ _{\sigma 1s^{2}\sigma 1s^{2}\sigma 2s^{2}}^{\ \ \ \ \ \ \ \ \ \ \ *}\ _{\sigma 2S^{2}\ \ }^{*}$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.