Chapter 11, Problem 71E

Interpretation Introduction

Interpretation:

The reason as to why the strontium $\left(Z=38\right)$ and barium are members of the same chemical family is to be stated.

Concept introduction:

Elements with the same chemical properties are found in same group or vertical column. Some of the groups of these elements are known as chemical families.

Family trends are mostly found among the main group elements. For example, noble gases, halogens, and alkali metals.