Question 1

solids consist of atoms or molecules held together by dipole- dipole forces, London disperson forces, and/or hydrogen bonds.

Accepted Answer

A)  Metallic and covalent- network 
B)  Covalent- network 
C)  Metallic 
D)  Molecular 
E)  Ionic 
A)  Metallic and covalent- network 
B)  Covalent- network 
C)  Metallic 
D)  Molecular 
E)  Ionic

Question 2

As a solid element melts, the atoms become and they have _ attraction for one another.

Accepted Answer

A)  larger, greater 
B)  closer together, less 
C)  closer together, more 
D)  more separated, less 
E)  more separated, more 
A)  larger, greater 
B)  closer together, less 
C)  closer together, more 
D)  more separated, less 
E)  more separated, more

Question 3

Under ordinary conditions, a substance will sublime rather than melt if its triple point occurs at a pressure above atmospheric pressure.

Accepted Answer

A) True 
 B)False

Question 4

The boiling points of normal hydrocarbons are higher than those of branched hydrocarbons of similar molecular weight because the London- dispersion forces between normal hydrocarbons are greater than those between branched hydrocarbons.

Accepted Answer

A) True 
 B)False

Question 5

The direct conversion of a solid to a gas is called .

Accepted Answer

The answer of The direct conversion of a solid to...

Question 6

A substance that expands to fill its container yet has a density approaching that of a liquid, and that can behave as a solvent is called a(n) _.

Accepted Answer

A)  liquid 
B)  supercritical fluid and gas 
C)  plasma 
D)  amorphous solid 
E)  gas 
A)  liquid 
B)  supercritical fluid and gas 
C)  plasma 
D)  amorphous solid 
E)  gas

Question 7

The type of solid that is characterized by low melting point, softness, and low electrical conduction is a covalent- network solid.

Accepted Answer

A) True 
 B)False

Question 8

The shape of a liquid's meniscus is determined by .

Accepted Answer

A)  the type of material the container is made of 
B)  the amount of hydrogen bonding in the liquid 
C)  the relative magnitudes of cohesive forces in the liquid and adhesive forces between the liquid and its container 
D)  the volume of the liquid 
E)  the viscosity of the liquid 
A)  the type of material the container is made of 
B)  the amount of hydrogen bonding in the liquid 
C)  the relative magnitudes of cohesive forces in the liquid and adhesive forces between the liquid and its container 
D)  the volume of the liquid 
E)  the viscosity of the liquid

Question 9

The strongest interparticle attractions exist between particles of a and the weakest interparticle attractions exist between particles of a .

Accepted Answer

A)  solid, gas 
B)  solid, liquid 
C)  gas, solid 
D)  liquid, gas 
E)  liquid, solid 
A)  solid, gas 
B)  solid, liquid 
C)  gas, solid 
D)  liquid, gas 
E)  liquid, solid

Question 10

What fraction of the volume of each corner atom is actually within the volume of a face- centered cubic unit cell?

Accepted Answer

A)  1 
B)    
C)    
D)    
E)     
A)  1 
B)    
C)    
D)    
E)

Question 11

Based on molecular mass and dipole moment of the five compounds in the table below, which should have the highest boiling point?

Accepted Answer

A)  CH3OCH3 
B)  CH3CHO 
C)  CH3CN 
D)  CH3CH2CH3 
E)  CH3Cl 
A)  CH3OCH3 
B)  CH3CHO 
C)  CH3CN 
D)  CH3CH2CH3 
E)  CH3Cl

Question 12

Viscosity is .

Accepted Answer

A)  the same as density 
B)  unaffected by temperature 
C)  the resistance to flow 
D)  the "skin" on a liquid surface caused by intermolecular attraction 
E)  inversely proportional to molar mass 
A)  the same as density 
B)  unaffected by temperature 
C)  the resistance to flow 
D)  the "skin" on a liquid surface caused by intermolecular attraction 
E)  inversely proportional to molar mass

Question 13

is the energy required to expand the surface area of a liquid by a unit amount of area.

Accepted Answer

A)  Meniscus 
B)  Capillary action 
C)  Surface tension 
D)  Viscosity 
E)  Volatility 
A)  Meniscus 
B)  Capillary action 
C)  Surface tension 
D)  Viscosity 
E)  Volatility

Question 14

The phase diagram of a substance is given above. This substance is a at 25°C and 1.0 atm.

Accepted Answer

A)  supercritical fluid 
B)  gas 
C)  liquid 
D)  crystal 
E)  solid 
A)  supercritical fluid 
B)  gas 
C)  liquid 
D)  crystal 
E)  solid

Question 15

Consider the following statements about crystalline solids:
(i) Molecules or atoms in molecular solids are held together via intermolecular forces.
(ii) Metallic solids have atoms in the points of the crystal lattice.
(iii) Ionic solids have formula units in the point of the crystal lattice.
(iv) Atoms in covalent- network solids are connected via a network of covalent bonds.
Which of the statements is false?

Accepted Answer

A)  (i) 
B)  (ii) 
C)  (iii) 
D)  (iv) 
E)  none 
A)  (i) 
B)  (ii) 
C)  (iii) 
D)  (iv) 
E)  none

Question 16

Crystalline solids differ from amorphous solids in that crystalline solids have .

Accepted Answer

A)  atoms, molecules, or ions that are close together 
B)  much larger atoms, molecules, or ions 
C)  no orderly structure 
D)  a long- range repeating pattern of atoms, molecules, or ions 
E)  appreciable intermolecular attractive forces 
A)  atoms, molecules, or ions that are close together 
B)  much larger atoms, molecules, or ions 
C)  no orderly structure 
D)  a long- range repeating pattern of atoms, molecules, or ions 
E)  appreciable intermolecular attractive forces

Question 17

The vapor pressure of any substance at its normal boiling point is

Accepted Answer

A)  1 atm 
B)  1 torr 
C)  equal to atmospheric pressure 
D)  equal to the vapor pressure of water 
E)  1 Pa 
A)  1 atm 
B)  1 torr 
C)  equal to atmospheric pressure 
D)  equal to the vapor pressure of water 
E)  1 Pa

Question 18

The vapor pressure of a liquid _.

Accepted Answer

A)  decreases linearly with increasing temperature 
B)  decreases nonlinearly with increasing temperature 
C)  increases linearly with increasing temperature 
D)  increases nonlinearly with increasing temperature 
E)  is totally unrelated to its molecular structure 
A)  decreases linearly with increasing temperature 
B)  decreases nonlinearly with increasing temperature 
C)  increases linearly with increasing temperature 
D)  increases nonlinearly with increasing temperature 
E)  is totally unrelated to its molecular structure

Question 19

Together, liquids and solids constitute _ phases of matter.

Accepted Answer

A)  the disordered 
B)  the fluid 
C)  all of the 
D)  the compressible 
E)  the condensed 
A)  the disordered 
B)  the fluid 
C)  all of the 
D)  the compressible 
E)  the condensed

Question 20

Which one of the following cannot form a solid with a lattice based on the sodium chloride structure?

Accepted Answer

A)  CuO 
B)  CuCl2  
C)  RbI 
D)  LiF 
E)  NaBr 
A)  CuO 
B)  CuCl2  
C)  RbI 
D)  LiF 
E)  NaBr

Exam 11: Intermolecular Forces, Liquids, and Solids

solids consist of atoms or molecules held together by dipole- dipole forces, London disperson forces, and/or hydrogen bonds.

As a solid element melts, the atoms become and they have _ attraction for one another.

Under ordinary conditions, a substance will sublime rather than melt if its triple point occurs at a pressure above atmospheric pressure.

The boiling points of normal hydrocarbons are higher than those of branched hydrocarbons of similar molecular weight because the London- dispersion forces between normal hydrocarbons are greater than those between branched hydrocarbons.

The direct conversion of a solid to a gas is called .

A substance that expands to fill its container yet has a density approaching that of a liquid, and that can behave as a solvent is called a(n) _.

The type of solid that is characterized by low melting point, softness, and low electrical conduction is a covalent- network solid.

The shape of a liquid's meniscus is determined by .

The strongest interparticle attractions exist between particles of a and the weakest interparticle attractions exist between particles of a .

What fraction of the volume of each corner atom is actually within the volume of a face- centered cubic unit cell?

Based on molecular mass and dipole moment of the five compounds in the table below, which should have the highest boiling point?

Viscosity is .

is the energy required to expand the surface area of a liquid by a unit amount of area.

The phase diagram of a substance is given above. This substance is a at 25°C and 1.0 atm.

Crystalline solids differ from amorphous solids in that crystalline solids have .

The vapor pressure of any substance at its normal boiling point is

The vapor pressure of a liquid _.

Together, liquids and solids constitute _ phases of matter.

Which one of the following cannot form a solid with a lattice based on the sodium chloride structure?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters