Question 1

Which of the following molecules contains a polar bond?

Accepted Answer

A) H-F 
B) Cl-Cl 
C) H-H 
D) F-F 
E) all of the above 
A) H-F 
B) Cl-Cl 
C) H-H 
D) F-F 
E) all of the above

Question 2

The charges with sodium chloride are all balanced-for every positive sodium ion there is a corresponding negative chloride ion.Since its charges are balanced,how can sodium chloride be attracted to water,and vice versa?

Accepted Answer

A) Dispersion forces come into play as the sodium chloride and water come into close proximity. 
B) Hydrogen bonding in water allows the sodium chloride molecule to be attracted to the water molecule. 
C) As a water molecule gets close to the sodium chloride it can distinguish the various ions and it is thus attracted to an individual ion by ion-dipole forces. 
D) This is not a matter of attraction.Sodium chloride dissolves in water because water provides a medium in which the individual sodium and chloride ions can disperse. 
A) Dispersion forces come into play as the sodium chloride and water come into close proximity. 
B) Hydrogen bonding in water allows the sodium chloride molecule to be attracted to the water molecule. 
C) As a water molecule gets close to the sodium chloride it can distinguish the various ions and it is thus attracted to an individual ion by ion-dipole forces. 
D) This is not a matter of attraction.Sodium chloride dissolves in water because water provides a medium in which the individual sodium and chloride ions can disperse.

Question 3

The neon atom tends not to lose any electrons because

Accepted Answer

A) of its relatively strong effective nuclear charge. 
B) that would result in a negative ion. 
C) its electrons are paired together within the same orbitals. 
D) the ionization energy is so high. 
A) of its relatively strong effective nuclear charge. 
B) that would result in a negative ion. 
C) its electrons are paired together within the same orbitals. 
D) the ionization energy is so high.

Question 4

An individual carbon-oxygen bond is polar.Yet carbon dioxide,CO2 ,which has two carbon-oxygen bonds,is nonpolar because

Accepted Answer

A) the molecule has an even number of electrons. 
B) it has a greater symmetry. 
C) the electron-pulls of the two oxygen atoms are equal and opposite. 
D) Two of the above are reasonable. 
A) the molecule has an even number of electrons. 
B) it has a greater symmetry. 
C) the electron-pulls of the two oxygen atoms are equal and opposite. 
D) Two of the above are reasonable.

Question 5

Which of the following is not a property of metal?

Accepted Answer

A) does not conduct heat well 
B) conducts electricity 
C) is shiny 
D) is strong,but can be bent 
E) All of the above are properties of metals. 
A) does not conduct heat well 
B) conducts electricity 
C) is shiny 
D) is strong,but can be bent 
E) All of the above are properties of metals.

Question 6

Which of the following bonds would be the least polar?

Accepted Answer

A) C-F 
B) C-O 
C) C-Cl 
D) C-H 
E) All are equally polar. 
A) C-F 
B) C-O 
C) C-Cl 
D) C-H 
E) All are equally polar.

Question 7

Does an ionic bond have a dipole?

Accepted Answer

A) No,dipoles are only found in covalent compounds. 
B) No,but the electrical charges are relatively strong. 
C) Yes,the ionic bond is an example of a very strong dipole. 
D) Yes,but for ionic compounds they are referred to as monopoles. 
A) No,dipoles are only found in covalent compounds. 
B) No,but the electrical charges are relatively strong. 
C) Yes,the ionic bond is an example of a very strong dipole. 
D) Yes,but for ionic compounds they are referred to as monopoles.

Question 8

What needs to be done to convert a neutral nitrogen atom into an N-3 species?

Accepted Answer

A) add three electrons 
B) remove three electrons 
C) remove three protons 
D) add three protons 
E) add three nitrogens 
A) add three electrons 
B) remove three electrons 
C) remove three protons 
D) add three protons 
E) add three nitrogens

Question 9

Metals are useful for the structural support of buildings because they

Accepted Answer

A) do not conduct heat well. 
B) are shiny. 
C) conduct electricity. 
D) are strong but can be bent. 
E) c and d 
A) do not conduct heat well. 
B) are shiny. 
C) conduct electricity. 
D) are strong but can be bent. 
E) c and d

Question 10

Which of the following molecules is most likely to show a dipole-dipole interaction?

Accepted Answer

A) CH3OH 
B) CH3SH 
C) CH4 
D) H-C   C-H 
E) A and B 
A) CH3OH 
B) CH3SH 
C) CH4 
D) H-C   C-H 
E) A and B

Which of the following molecules contains a polar bond?

The charges with sodium chloride are all balanced-for every positive sodium ion there is a corresponding negative chloride ion.Since its charges are balanced,how can sodium chloride be attracted to water,and vice versa?

The neon atom tends not to lose any electrons because

An individual carbon-oxygen bond is polar.Yet carbon dioxide,CO₂ ,which has two carbon-oxygen bonds,is nonpolar because

Which of the following is not a property of metal?

Which of the following bonds would be the least polar?

Does an ionic bond have a dipole?

What needs to be done to convert a neutral nitrogen atom into an N^-3 species?

Metals are useful for the structural support of buildings because they

Which of the following molecules is most likely to show a dipole-dipole interaction?

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

Filters

Exam 15: How Atoms Bond and Molecules Attract

Which of the following molecules contains a polar bond?

The charges with sodium chloride are all balanced-for every positive sodium ion there is a corresponding negative chloride ion.Since its charges are balanced,how can sodium chloride be attracted to water,and vice versa?

The neon atom tends not to lose any electrons because

An individual carbon-oxygen bond is polar.Yet carbon dioxide,CO2 ,which has two carbon-oxygen bonds,is nonpolar because

Which of the following is not a property of metal?

Which of the following bonds would be the least polar?

Does an ionic bond have a dipole?

What needs to be done to convert a neutral nitrogen atom into an N-3 species?

Metals are useful for the structural support of buildings because they

Which of the following molecules is most likely to show a dipole-dipole interaction?

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

Filters

An individual carbon-oxygen bond is polar.Yet carbon dioxide,CO₂ ,which has two carbon-oxygen bonds,is nonpolar because

What needs to be done to convert a neutral nitrogen atom into an N^-3 species?