Chapter 9.3, Problem 28SP

(a)

Interpretation Introduction

Interpretation: The formula of the given molecular compound is to be stated.

Concept Introduction : Molecular compounds are formed by the sharing of electrons between non-metals. They are known as carbon compounds. The naming of the compound is: $\text{Name}\text{of}\text{first}\text{element}+\text{Stem}\text{of}\text{second}\text{element}+\text{'}ide\text{'}$

Answer to Problem 28SP

The formula of the given compound is ${\text{N}}_{\text{2}}{\text{O}}_{\text{4}}$ .

Explanation of Solution

The given compound is dinitrogen tetroxide. It is composed of nitrogen-oxygen atoms. The prefix used for ‘two’ is di and ‘four’ is tetra. The chemical formula of the compound is ${\text{N}}_{\text{2}}{\text{O}}_{\text{4}}$ .

(b)

Interpretation Introduction

Interpretation: The formula of the given molecular compound is to be stated.

Concept Introduction : Molecular compounds are formed by the sharing of electrons between non-metals. They are known as carbon compounds. The naming of the compound is: $\text{Name}\text{of}\text{first}\text{element}+\text{Stem}\text{of}\text{second}\text{element}+\text{'}ide\text{'}$

Answer to Problem 28SP

The formula of the given compound is ${\text{XeF}}_{\text{4}}$ .

Explanation of Solution

The given compound is xenon tetrafluoride. It is composed of xenon and fluorine atoms. The prefix used for ‘tetra’ is four. Thus, the chemical formula of the compound is ${\text{XeF}}_{\text{4}}$ .

(c)

Interpretation Introduction

Interpretation: The formula of the given molecular compound is to be stated.

Concept Introduction : Molecular compounds are formed by the sharing of electrons between non-metals. They are known as carbon compounds. The naming of the compound is: $\text{Name}\text{of}\text{first}\text{element}+\text{Stem}\text{of}\text{second}\text{element}+\text{'}ide\text{'}$

Answer to Problem 28SP

The formula of the given compound is ${\text{S}}_{\text{2}}{\text{F}}_{\text{10}}$ .

Explanation of Solution

The given compound is disulfur decafluoride. It is composed of sulfur and fluorine atoms. The prefix used for ‘two’ is di and ‘ten’ is deca. Thus, the chemical formula of the compound is ${\text{S}}_{\text{2}}{\text{F}}_{\text{10}}$ .

(d)

Interpretation Introduction

Interpretation: The formula of the given molecular compound is to be stated.

Concept Introduction : Molecular compounds are formed by the sharing of electrons between non-metals. They are known as carbon compounds. The naming of the compound is: $\text{Name}\text{of}\text{first}\text{element}+\text{Stem}\text{of}\text{second}\text{element}+\text{'}ide\text{'}$

Answer to Problem 28SP

The formula of the given compound is ${\text{IF}}_{\text{7}}$ .

Explanation of Solution

The given compound is iodine heptafluoride. It is composed of iodine and fluorine atoms. The prefix used for ‘seven’ is hepta. Thus, the chemical formula of the compound is ${\text{IF}}_{\text{7}}$ .