Chapter 22, Problem 22.126SP

Interpretation Introduction

Interpretation:

The order of increasing basic character of the following compounds needs to be determined.

${\text{ Al}}_{\text{2}}{\text{O}}_3{\text{, Cs}}_2{\text{O, K}}_{\text{2}}{\text{O, N}}_{\text{2}}{\text{O}}_5$

Concept introduction:

All know elements are placed in the periodic table. Here the elements are arranged in increasing order of their atomic number. There are 18 vertical columns and 7 horizontal rows which are called as period. And the vertical columns are called as groups. The entire table can be divided into metals, non-metals and metalloids. Metals are placed at the left side of the periodic table and exhibit several different chemical and physical properties compare to non-metals which are placed at the right side of the periodic table.