Chapter 5, Problem 29E

Interpretation Introduction

Interpretation:

Whether the metallic character increases or decreases on proceeding up a group of elements 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, the vertical columns are known as groups. There are $7$ periods and $18$ groups in a modern periodic table.