Chapter 9.2, Problem 9.4E

Interpretation Introduction

Interpretation:

The electronic configuration of ${\text{Mn}}^{\text{2+}}$ has to be discussed.

Concept introduction:

All stable molecules attain the noble gas and octet arrangement.  So that molecule is more stable and less reactive nature.

According to Octet rule eight electrons in the outer most shell that atoms is most stable arrangement in other atoms have less than eight electrons.