Chapter 19, Problem 5Q

Interpretation Introduction

Interpretation: An explanation for the statement, “Atomic size seems to play an important role in explaining some of the differences between the first element in a group and the subsequent group elements” is to be stated.

Concept introduction: The distance between the nucleus and the outermost electron of an atom is known as atomic size.

To explain: The given statement, “Atomic size seems to play an important role in explaining some of the differences between the first element in a group and the subsequent group elements.”