Chapter 22.6, Problem 2Q

Interpretation Introduction

Interpretation: The electronic configuration of $C{e}^{3+}$ and $N{d}^{3+}$ is to be identified.

Concept introduction:

Lanthanide elements: It contains either f subshells which are incomplete or that readily lose electrons to get incomplete d subshell. It includes elements from cerium through lutetium.

Electronic configuration: Arrangement in the orbitals of atom by electrons.