Chapter 21, Problem 21.70QP

Interpretation Introduction

Interpretation:

How does lithium resemble magnesium in its reaction with oxygen and nitrogen and diagonal relationship in some chemical properties of lithium and magnesium with the help of handbook has to be explained.

Concept introduction:

• Lithium is group $\text{1A}$  metal (alkali metal)
• Lithium is represented by the formula is $\text{Li}$
• The atomic number of lithium is 3
• Magnesium is is group $\text{2A}$ metal (alkaline earth metal)
• magnesium is represented by the formula is $\text{Mg}$
• The atomic number of lithium is 12