(a) Interpretation: The element Na needs to be classified as molecular, network covalent, ionic or metallic. Concept introduction: In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Question

1) Using principles of chemical bonding and/or intermolecular forces, explain each of the following. (a) Xenon has a higher boiling point than neon has. (b) Solid copper is an excellent conductor of electricity, but solid copper chloride is not. (c) SiO2 melts at a very high temperature, while CO2 is a gas at room temperature, even though Si and C are in the same chemical family. (d) Molecules of NF3 are polar, but those of BF3 are not. 2) Using principles of chemical bonding and/or intermolecular forces, explain each of the following: (a) MgCl2 and SiCl4 (b) MgCl2 and MgF2 (c) F2 and Br2 (d) F2 and N2 Note: Please Briefly Explain

Answer 1

Question

Chapter 9, Problem 43QAP

Interpretation Introduction

(a)

Interpretation:

The element Na needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(b)

Interpretation:

The compound Na2SO4 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(c)

Interpretation:

The benzene (C6H6) molecule needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(d)

Interpretation:

The carbon-60 or C60 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(e)

Interpretation:

The aqueous solution of HCl needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

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1) Using principles of chemical bonding and/or intermolecular forces, explain each of the following. (a) Xenon has a higher boiling point than neon has. (b) Solid copper is an excellent conductor of electricity, but solid copper chloride is not. (c) SiO2 melts at a very high temperature, while CO2 is a gas at room temperature, even though Si and C are in the same chemical family. (d) Molecules of NF3 are polar, but those of BF3 are not. 2) Using principles of chemical bonding and/or intermolecular forces, explain each of the following: (a) MgCl2 and SiCl4 (b) MgCl2 and MgF2 (c) F2 and Br2 (d) F2 and N2 Note: Please Briefly Explain

(A) CsBr (B) MgCl2

In the mountains, water in an open container will boil when(a) its critical temperature exceeds room temperature.(b) its vapor pressure equals atmospheric pressure.(c) its temperature is 100 °C.(d) enough energy is supplied to break covalent bonds.(e) none of these is correct.

Answer 2

Question

Chapter 9, Problem 43QAP

Interpretation Introduction

(a)

Interpretation:

The element Na needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(b)

Interpretation:

The compound Na2SO4 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(c)

Interpretation:

The benzene (C6H6) molecule needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(d)

Interpretation:

The carbon-60 or C60 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(e)

Interpretation:

The aqueous solution of HCl needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

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Answer 3

Question

Chapter 9, Problem 43QAP

Interpretation Introduction

(a)

Interpretation:

The element Na needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(b)

Interpretation:

The compound Na2SO4 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(c)

Interpretation:

The benzene (C6H6) molecule needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(d)

Interpretation:

The carbon-60 or C60 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(e)

Interpretation:

The aqueous solution of HCl needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

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Answer 4

Question

Chapter 9, Problem 43QAP

Interpretation Introduction

(a)

Interpretation:

The element Na needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(b)

Interpretation:

The compound Na2SO4 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(c)

Interpretation:

The benzene (C6H6) molecule needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(d)

Interpretation:

The carbon-60 or C60 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(e)

Interpretation:

The aqueous solution of HCl needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

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Answer 5

Chapter 9, Problem 43QAP

Interpretation Introduction

(a)

Interpretation:

The element Na needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(b)

Interpretation:

The compound Na2SO4 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(c)

Interpretation:

The benzene (C6H6) molecule needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(d)

Interpretation:

The carbon-60 or C60 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Interpretation Introduction

(e)

Interpretation:

The aqueous solution of HCl needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Answer 6

Chapter 9, Problem 43QAP

Interpretation Introduction

(a)

Interpretation:

The element Na needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Answer 7

Chapter 9, Problem 43QAP

Interpretation Introduction

(a)

Interpretation:

The element Na needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The compound Na2SO4 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The compound Na2SO4 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The benzene (C6H6) molecule needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The benzene (C6H6) molecule needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The carbon-60 or C60 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The carbon-60 or C60 needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Answer 14

Interpretation Introduction

(e)

Interpretation:

The aqueous solution of HCl needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

Answer 15

Interpretation Introduction

(e)

Interpretation:

The aqueous solution of HCl needs to be classified as molecular, network covalent, ionic or metallic.

Concept introduction:

In order to identify the structure of a material/compound, one often looks at what types of bonds hold the constituent particles together. For example, molecular solids refer to a substance where the constituent particle i.e. molecules are held together by van der Waal forces. Similarly, metals contain metallic ions surrounded by a sea of delocalized electrons that ultimately form the lattice structure. Each type of bonding provides a set of unique characteristics to the substance. Moreover, the nature of inter-particle bonding is more important in determining the nature of substance.

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Answer 27

Ch. 9 - Prob. 1QAP Ch. 9 - Prob. 2QAP Ch. 9 - The vapor pressure of I2(s) at 30C is 0.466 mm Hg....Ch. 9 - Prob. 4QAP Ch. 9 - Trichloroethane, C2H3Cl3 is used as a degreaser...Ch. 9 - p-Dichlorobenzene, C6H4Cl2, can be one of the...Ch. 9 - Prob. 7QAP Ch. 9 - Dichloromethane, CH2Cl2,is widely used as a...Ch. 9 - Prob. 9QAP Ch. 9 - Prob. 10QAP

Solution Summary: The author explains that the element Na needs to be classified as molecular, network covalent, ionic or metallic.

Chapter 9 Solutions