Chapter 5, Problem 15E

Interpretation Introduction

Interpretation:

The term for the series of elements that include $\text{Ce-Lu}$ is to be predicted.

Concept introduction:

The elements in a modern periodic table are arranged in increasing order according to their atomic numbers. In the modern periodic table, the horizontal rows are known as periods, and the vertical columns are known as groups. There are $7$ periods and $18$ groups in the modern periodic table.