Question 1

The covalent bond between chlorine and iodine is a polar one. Which of the following properly represents the direction of polarity in this bond?

Accepted Answer

A)  $\delta$ + Cl-I  $\delta$ - 
B)  $\delta$ - Cl-I  $\delta$ + 
C) + Cl-I - 
D) - Cl-I + 
A)  $\delta$ + Cl-I  $\delta$ - 
B)  $\delta$ - Cl-I  $\delta$ + 
C) + Cl-I - 
D) - Cl-I +

Question 2

How many lone pairs of electrons need to be added to the Lewis structure of carbonic acid shown below?

Accepted Answer

A) 0 
B) 3 
C) 4 
D) 6 
E) 7 
A) 0 
B) 3 
C) 4 
D) 6 
E) 7

Question 3

Aspartic acid is an amino acid used to synthesize proteins. How many polar bonds are in the aspartic acid structure shown below?

Accepted Answer

A) 4 
B) 6 
C) 9 
D) 12 
E) 15 
A) 4 
B) 6 
C) 9 
D) 12 
E) 15

Question 4

The correct name for SF6 is sulfur heptafluoride.

Accepted Answer

A) True 
 B)False

Question 5

Which bond is the least polar?

Accepted Answer

A) C-N 
B) C-O 
C) C-C 
D) C-Cl 
E) C-F 
A) C-N 
B) C-O 
C) C-C 
D) C-Cl 
E) C-F

Question 6

A double bond is counted as two groups in the valence shell electron pair repulsion (VSEPR)theory.

Accepted Answer

A) True 
 B)False

Question 7

A resonance hybrid is a composite of all resonance structures that spreads out electron pairs in multiple bonds and lone pairs.

Accepted Answer

A) True 
 B)False

Question 8

Covalent bonds result from the _____ electrons between two atoms.

Accepted Answer

A) transfer of 
B) equal sharing of 
C) unequal sharing of 
D) A, B, and C are correct 
E) B and C are correct 
A) transfer of 
B) equal sharing of 
C) unequal sharing of 
D) A, B, and C are correct 
E) B and C are correct

Question 9

The molecular shape around the boron atom in BCl3 is different than the molecular shape around the nitrogen atom in NCl3.

Accepted Answer

A) True 
 B)False

Question 10

Nonpolar molecules may contain polar bonds.

Accepted Answer

A) True 
 B)False

The covalent bond between chlorine and iodine is a polar one. Which of the following properly represents the direction of polarity in this bond?

How many lone pairs of electrons need to be added to the Lewis structure of carbonic acid shown below?

Aspartic acid is an amino acid used to synthesize proteins. How many polar bonds are in the aspartic acid structure shown below?

The correct name for SF₆ is sulfur heptafluoride.

Which bond is the least polar?

A double bond is counted as two groups in the valence shell electron pair repulsion (VSEPR)theory.

A resonance hybrid is a composite of all resonance structures that spreads out electron pairs in multiple bonds and lone pairs.

Covalent bonds result from the _____ electrons between two atoms.

The molecular shape around the boron atom in BCl₃ is different than the molecular shape around the nitrogen atom in NCl₃.

Nonpolar molecules may contain polar bonds.

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Chemical Reactions

Energy Changes, Reaction Rates, and Equilibrium

Gases, Liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen, Halogen, or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids, Esters, and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Digestion and the Conversion of Food Into Energy

Carbohydrate, Lipid, and Protein Metabolism

Filters

Exam 4: Covalent Compounds

The covalent bond between chlorine and iodine is a polar one. Which of the following properly represents the direction of polarity in this bond?

How many lone pairs of electrons need to be added to the Lewis structure of carbonic acid shown below?

Aspartic acid is an amino acid used to synthesize proteins. How many polar bonds are in the aspartic acid structure shown below?

The correct name for SF6 is sulfur heptafluoride.

Which bond is the least polar?

A double bond is counted as two groups in the valence shell electron pair repulsion (VSEPR)theory.

A resonance hybrid is a composite of all resonance structures that spreads out electron pairs in multiple bonds and lone pairs.

Covalent bonds result from the _____ electrons between two atoms.

The molecular shape around the boron atom in BCl3 is different than the molecular shape around the nitrogen atom in NCl3.

Nonpolar molecules may contain polar bonds.

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Chemical Reactions

Energy Changes, Reaction Rates, and Equilibrium

Gases, Liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen, Halogen, or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids, Esters, and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Digestion and the Conversion of Food Into Energy

Carbohydrate, Lipid, and Protein Metabolism

Filters

The correct name for SF₆ is sulfur heptafluoride.

The molecular shape around the boron atom in BCl₃ is different than the molecular shape around the nitrogen atom in NCl₃.