Question 1

Identify the following crystalline solids as ionic, molecular, or metallic.
-iodine, I₂

Accepted Answer

molecular

Question 2

Which of the following chemical substances would you expect to have the highest melting point?

Accepted Answer

A)  water, H₂O 
B)  methyl alcohol, CH₃OH 
C)  nitrogen dioxide, NO₂ 
D)  hydrogen sulfide, H₂S 
A)  water, H₂O 
B)  methyl alcohol, CH₃OH 
C)  nitrogen dioxide, NO₂ 
D)  hydrogen sulfide, H₂S A

Question 3

To form hydrogen bonds, molecules must contain ________.

Accepted Answer

A)  an N-H bond 
B)  an O-H bond 
C)  an H-F bond 
D)  at least one of the above mentioned bonds 
A)  an N-H bond 
B)  an O-H bond 
C)  an H-F bond 
D)  at least one of the above mentioned bonds D

Question 4

Match the description of processes with its corresponding change of states.
-collection of water droplets on the medicine cabinet mirror during a prolonged hot shower

Accepted Answer

A) sublimation 
B) evaporation 
C) melting 
D) condensation 
E) freezing 
A) sublimation 
B) evaporation 
C) melting 
D) condensation 
E) freezing

Question 5

Solid carbon dioxide is also known as dry ice.

Accepted Answer

A) True 
 B)False

Question 6

Identify the following crystalline solids as ionic, molecular, or metallic.
-copper (II) carbonate, CuCO₃ (or cupric carbonate)

Accepted Answer

The answer of Identify the following crystalline solids as ionic,...

Question 7

Identify each of the compounds as molecular or non-molecular.
-hydrogen

Accepted Answer

A) non-molecular 
B) molecular 
A) non-molecular 
B) molecular

Question 8

Which of the following statements is true about intermolecular forces of attraction between molecules?

Accepted Answer

A)  They tend to hold molecules together. 
B)  Cooling is responsible for the substance's liquefaction. 
C)  The solidification of a substance usually requires lower temperatures than in the case of liquefaction. 
D)  All of the above are true. 
A)  They tend to hold molecules together. 
B)  Cooling is responsible for the substance's liquefaction. 
C)  The solidification of a substance usually requires lower temperatures than in the case of liquefaction. 
D)  All of the above are true.

Question 9

Which of the compounds below has a large permanent dipole?

Accepted Answer

A)  methane 
B)  hydrogen 
C)  acetone 
D)  nitrogen 
A)  methane 
B)  hydrogen 
C)  acetone 
D)  nitrogen

Question 10

Match each of the substances with the STRONGEST type of bonding that it exhibits.
-diamond

Accepted Answer

A) hydrogen bonding 
B) London forces 
C) network covalent bonding 
D) metallic 
A) hydrogen bonding 
B) London forces 
C) network covalent bonding 
D) metallic

Question 11

London forces become significant for large molecules with many atoms and many electrons.

Accepted Answer

A) True 
 B)False

Question 12

Match each of the substances with the STRONGEST type of bonding that it exhibits.
-methane

Accepted Answer

A) hydrogen bonding 
B) London forces 
C) network covalent bonding 
D) metallic 
A) hydrogen bonding 
B) London forces 
C) network covalent bonding 
D) metallic

Question 13

Match each of the substances with the STRONGEST type of bonding that it exhibits.
-ammonia

Accepted Answer

A) hydrogen bonding 
B) London forces 
C) network covalent bonding 
D) metallic 
A) hydrogen bonding 
B) London forces 
C) network covalent bonding 
D) metallic

Question 14

Match each of the substances with the STRONGEST type of bonding that it exhibits.
-carbon tetrabromide

Accepted Answer

A) hydrogen bonding 
B) London forces 
C) network covalent bonding 
D) metallic 
A) hydrogen bonding 
B) London forces 
C) network covalent bonding 
D) metallic

Question 15

Polar molecules may exhibit ________.

Accepted Answer

A)  London forces 
B)  hydrogen bonding 
C)  dipole-dipole forces 
D)  all of the above 
A)  London forces 
B)  hydrogen bonding 
C)  dipole-dipole forces 
D)  all of the above

Question 16

Which of the following chemical substances would you expect to have the highest boiling point (you may consider molecular mass and the degree of intermolecular hydrogen bonding as primary controlling factors)?

Accepted Answer

A)  methane, CH₄ 
B)  ammonia, NH₃ 
C)  methyl alcohol, CH₃OH 
D)  ethyl alcohol, CH₃CH₂OH 
A)  methane, CH₄ 
B)  ammonia, NH₃ 
C)  methyl alcohol, CH₃OH 
D)  ethyl alcohol, CH₃CH₂OH

Question 17

The force(s) responsible for holding the DNA molecule in a very long twisted zipper is ________.

Accepted Answer

A)  hydrogen bonding 
B)  London forces 
C)  dipolar forces 
D)  interionic forces 
A)  hydrogen bonding 
B)  London forces 
C)  dipolar forces 
D)  interionic forces

Question 18

The acetone molecule has a large dipole because of the electronegativity difference between carbon and oxygen.

Accepted Answer

A) True 
 B)False

Question 19

Which intermolecular force is important for the function of the antibiotic vancomycin?

Accepted Answer

A)  London forces 
B)  van der Waals forces 
C)  hydrogen bonding 
D)  dipole forces 
A)  London forces 
B)  van der Waals forces 
C)  hydrogen bonding 
D)  dipole forces

Question 20

Identify each of the compounds as molecular or non-molecular.
-copper

Accepted Answer

A) non-molecular 
B) molecular 
A) non-molecular 
B) molecular

Identify the following crystalline solids as ionic, molecular, or metallic. -iodine, I₂

Which of the following chemical substances would you expect to have the highest melting point?

To form hydrogen bonds, molecules must contain ________.

Match the description of processes with its corresponding change of states. -collection of water droplets on the medicine cabinet mirror during a prolonged hot shower

Solid carbon dioxide is also known as dry ice.

Identify the following crystalline solids as ionic, molecular, or metallic. -copper (II) carbonate, CuCO₃ (or cupric carbonate)

Identify each of the compounds as molecular or non-molecular. -hydrogen

Which of the following statements is true about intermolecular forces of attraction between molecules?

Which of the compounds below has a large permanent dipole?

Match each of the substances with the STRONGEST type of bonding that it exhibits. -diamond

London forces become significant for large molecules with many atoms and many electrons.

Match each of the substances with the STRONGEST type of bonding that it exhibits. -methane

Match each of the substances with the STRONGEST type of bonding that it exhibits. -ammonia

Match each of the substances with the STRONGEST type of bonding that it exhibits. -carbon tetrabromide

Polar molecules may exhibit ________.

Which of the following chemical substances would you expect to have the highest boiling point (you may consider molecular mass and the degree of intermolecular hydrogen bonding as primary controlling factors)?

The force(s) responsible for holding the DNA molecule in a very long twisted zipper is ________.

The acetone molecule has a large dipole because of the electronegativity difference between carbon and oxygen.

Which intermolecular force is important for the function of the antibiotic vancomycin?

Identify each of the compounds as molecular or non-molecular. -copper

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 7: Intermolecular Forces and the Phases of Matter

Identify the following crystalline solids as ionic, molecular, or metallic. -iodine, I₂

Which of the following chemical substances would you expect to have the highest melting point?

To form hydrogen bonds, molecules must contain ________.

Match the description of processes with its corresponding change of states. -collection of water droplets on the medicine cabinet mirror during a prolonged hot shower

Solid carbon dioxide is also known as dry ice.

Identify the following crystalline solids as ionic, molecular, or metallic. -copper (II) carbonate, CuCO₃ (or cupric carbonate)

Identify each of the compounds as molecular or non-molecular. -hydrogen

Which of the following statements is true about intermolecular forces of attraction between molecules?

Which of the compounds below has a large permanent dipole?

Match each of the substances with the STRONGEST type of bonding that it exhibits. -diamond

London forces become significant for large molecules with many atoms and many electrons.

Match each of the substances with the STRONGEST type of bonding that it exhibits. -methane

Match each of the substances with the STRONGEST type of bonding that it exhibits. -ammonia

Match each of the substances with the STRONGEST type of bonding that it exhibits. -carbon tetrabromide

Polar molecules may exhibit ________.

Which of the following chemical substances would you expect to have the highest boiling point (you may consider molecular mass and the degree of intermolecular hydrogen bonding as primary controlling factors)?

The force(s) responsible for holding the DNA molecule in a very long twisted zipper is ________.

The acetone molecule has a large dipole because of the electronegativity difference between carbon and oxygen.

Which intermolecular force is important for the function of the antibiotic vancomycin?

Identify each of the compounds as molecular or non-molecular. -copper

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters