Chapter 11, Problem 89E

Interpretation Introduction

Interpretation:

The order of increasing atomic size of the elements $\text{Q,}\text{X,}$ and $\text{Z}$ is to be stated.

Concept introduction:

In the periodic table the atomic size generally increases from right to left across the period and from top to bottom in any column or group. The smallest atoms are toward the upper-right corner of the table and the largest atoms are toward the bottom-left corner of the periodic table.