Chapter 5, Problem 30E

Interpretation Introduction

Interpretation:

Whether the metallic character increases or decreases on 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 increasing order according to their increasing atomic numbers. In the modern periodic table, the horizontal rows are known as periods, and the vertical columns are known as groups. There are $7$ periods and $18$ groups in the modern periodic table.