Chapter 5, Problem 32E

Interpretation Introduction

Interpretation:

The trend of atomic radius proceeding from left to right in the periodic table is to be stated

Concept introduction:

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