Question 1

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes.
-CN-

Accepted Answer

The answer of Use VSEPR theory to predict the shape...

Question 2

NH₃, CH₃-, and PCL₃ are pyramidal.

Accepted Answer

A) True 
 B)False

Question 3

Match the shape and number of electron groups at the central atom with the number of bonding pairs of electrons on the central atom.
-tetrahedral, four

Accepted Answer

A) 4 
B) 3 
C) 2 
A) 4 
B) 3 
C) 2

Question 4

Match the shape and number of electron groups at the central atom with the number of bonding pairs of electrons on the central atom.
-pyramidal, four

Accepted Answer

A) 4 
B) 3 
C) 2 
A) 4 
B) 3 
C) 2

Question 5

What is the steric number of the central atom in carbon disulfide?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 6

When drawing the three-dimensional structure diagram of a molecule the solid (not bold or dotted) line ________.

Accepted Answer

A)  shows a bond that projects out from the page. 
B)  shows a bond that goes back behind the page. 
C)  indicates that the bond is in the plane of the page. 
D)  One cannot say unless the formula of the molecule is known. 
A)  shows a bond that projects out from the page. 
B)  shows a bond that goes back behind the page. 
C)  indicates that the bond is in the plane of the page. 
D)  One cannot say unless the formula of the molecule is known.

Question 7

Which of the following pictures best illustrates a trigonal planar shape for the molecule AB3?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 8

When naming the shape of a molecule count only the lone pairs.

Accepted Answer

A) True 
 B)False

Question 9

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes.
-BF3

Accepted Answer

Question 10

Identify each of the molecules as polar or non-polar.
-CH?CL?

Accepted Answer

A) non-polar 
B) polar 
A) non-polar 
B) polar

Question 11

The angle around nitrogen in the ammonium ion is ________.

Accepted Answer

A)  60° 
B)  90° 
C)  109.5° 
D)  120° 
A)  60° 
B)  90° 
C)  109.5° 
D)  120°

Question 12

SO₂, HCN and CO₂ are linear.

Accepted Answer

A) True 
 B)False

Question 13

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes.
-SCN-

Accepted Answer

The answer of Use VSEPR theory to predict the shape...

Question 14

Match each molecule with an angle around the central atom.
-carbon disulfide

Accepted Answer

A) 105° 
B) 107° 
C) 120° 
D) 118° 
E) 109.5°
F)180° 
A) 105° 
B) 107° 
C) 120° 
D) 118° 
E) 109.5°
F)180°

Question 15

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes.
-SO₂

Accepted Answer

The answer of Use VSEPR theory to predict the shape...

Question 16

A polar covalent compound is unaffected by the presence of an electric field.

Accepted Answer

A) True 
 B)False

Question 17

Match each of the ions with its corresponding shape.
-NO?-

Accepted Answer

A) bent 
B) trigonal planar 
C) linear 
D) pyramidal 
E) tetrahedral 
A) bent 
B) trigonal planar 
C) linear 
D) pyramidal 
E) tetrahedral

Question 18

Identify each of the molecules as polar or non-polar.
-CCl4

Accepted Answer

A) non-polar 
B) polar 
A) non-polar 
B) polar

Question 19

When determining the shape of a molecule, count all electron groups around the central atom.

Accepted Answer

A) True 
 B)False

Question 20

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes.
-CBr4

Accepted Answer

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -CN-

NH₃, CH₃-, and PCL₃ are pyramidal.

Match the shape and number of electron groups at the central atom with the number of bonding pairs of electrons on the central atom. -tetrahedral, four

Match the shape and number of electron groups at the central atom with the number of bonding pairs of electrons on the central atom. -pyramidal, four

What is the steric number of the central atom in carbon disulfide?

When drawing the three-dimensional structure diagram of a molecule the solid (not bold or dotted) line ________.

Which of the following pictures best illustrates a trigonal planar shape for the molecule AB3?

When naming the shape of a molecule count only the lone pairs.

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -BF₃

Identify each of the molecules as polar or non-polar. -CH?CL?

The angle around nitrogen in the ammonium ion is ________.

SO₂, HCN and CO₂ are linear.

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -SCN-

Match each molecule with an angle around the central atom. -carbon disulfide

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -SO₂

A polar covalent compound is unaffected by the presence of an electric field.

Match each of the ions with its corresponding shape. -NO?-

Identify each of the molecules as polar or non-polar. -CCl₄

When determining the shape of a molecule, count all electron groups around the central atom.

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -CBr₄

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

Intermolecular Forces and the Phases of Matter

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 6: The Shape of Molecules

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -CN-

NH₃, CH₃-, and PCL₃ are pyramidal.

Match the shape and number of electron groups at the central atom with the number of bonding pairs of electrons on the central atom. -tetrahedral, four

Match the shape and number of electron groups at the central atom with the number of bonding pairs of electrons on the central atom. -pyramidal, four

What is the steric number of the central atom in carbon disulfide?

When drawing the three-dimensional structure diagram of a molecule the solid (not bold or dotted) line ________.

Which of the following pictures best illustrates a trigonal planar shape for the molecule AB3?

When naming the shape of a molecule count only the lone pairs.

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -BF3

Identify each of the molecules as polar or non-polar. -CH?CL?

The angle around nitrogen in the ammonium ion is ________.

SO₂, HCN and CO₂ are linear.

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -SCN-

Match each molecule with an angle around the central atom. -carbon disulfide

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -SO₂

A polar covalent compound is unaffected by the presence of an electric field.

Match each of the ions with its corresponding shape. -NO?-

Identify each of the molecules as polar or non-polar. -CCl4

When determining the shape of a molecule, count all electron groups around the central atom.

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -CBr4

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

Intermolecular Forces and the Phases of Matter

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

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -BF₃

Identify each of the molecules as polar or non-polar. -CCl₄

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -CBr₄