Question 1

Match each of the ions with its corresponding shape.
-HCO?-

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 2

What is the molecular shape of NO₂-

Accepted Answer

A)  tetrahedral 
B)  pyramidal 
C)  linear 
D)  bent 
A)  tetrahedral 
B)  pyramidal 
C)  linear 
D)  bent

Question 3

The bond angle in carbon tetrachloride is 109.5°.

Accepted Answer

A) True 
 B)False

Question 4

The angle around boron in boron trifluoride is ________.

Accepted Answer

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

Question 5

Match each molecule with an angle around the central atom.
-boron trifluoride

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 6

Match each molecule with its shape of the central atom.
-sulfur dioxide

Accepted Answer

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

Question 7

In a molecule having three pairs of electrons around a central atom and a trigonal planar shape, how many lone pairs of electrons does the central atom have ?

Accepted Answer

A)  1 
B)  0 
C)  2 
D)  3 
A)  1 
B)  0 
C)  2 
D)  3

Question 8

In which of the three phases of matter would you expect hydrogen bonding between water molecules to be the strongest?

Accepted Answer

A)  solid phase (H₂O Os very close together) 
B)  liquid phase (H₂O Os more separated than solid phase) 
C)  gas phase (H₂O Os much farther apart than liquid phase) 
D)  It is equally strong in all three phases. 
A)  solid phase (H₂O Os very close together) 
B)  liquid phase (H₂O Os more separated than solid phase) 
C)  gas phase (H₂O Os much farther apart than liquid phase) 
D)  It is equally strong in all three phases.

Question 9

Which of the following statements is correct about the bent structure?

Accepted Answer

A)  The bent structure has three bonding electrons pairs with at least one lone pair around the central atom. 
B)  The bent structure is the shape of the ammonia molecule. 
C)  The bent structure has bond angles around the central atom very close to the 105°. 
D)  All above statements are correct. 
A)  The bent structure has three bonding electrons pairs with at least one lone pair around the central atom. 
B)  The bent structure is the shape of the ammonia molecule. 
C)  The bent structure has bond angles around the central atom very close to the 105°. 
D)  All above statements are correct.

Question 10

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

Accepted Answer

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

Question 11

Which of the following molecules is not linear?

Accepted Answer

A)  hydrogen cyanide 
B)  beryllium chloride 
C)  boron trifluoride 
D)  acetylene, C₂H₂ 
A)  hydrogen cyanide 
B)  beryllium chloride 
C)  boron trifluoride 
D)  acetylene, C₂H₂

Question 12

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

Accepted Answer

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

Question 13

Carbon dioxide contains polar bonds and is a nonpolar molecule.

Accepted Answer

A) True 
 B)False

Question 14

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.
-CO₃2-

Accepted Answer

Question 15

Match each molecule with an angle around the central atom.
-acetylene, C?H?

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 16

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.
-O₃ (ozone)

Accepted Answer

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

Question 17

Identify each of the molecules as polar or non-polar.
-Br2

Accepted Answer

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

Question 18

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.
-CS2

Accepted Answer

Question 19

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

Accepted Answer

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

Question 20

Identify each of the molecules as polar or non-polar.
-H?S

Accepted Answer

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

Match each of the ions with its corresponding shape. -HCO?-

What is the molecular shape of NO₂-

The bond angle in carbon tetrachloride is 109.5°.

The angle around boron in boron trifluoride is ________.

Match each molecule with an angle around the central atom. -boron trifluoride

Match each molecule with its shape of the central atom. -sulfur dioxide

In a molecule having three pairs of electrons around a central atom and a trigonal planar shape, how many lone pairs of electrons does the central atom have ?

In which of the three phases of matter would you expect hydrogen bonding between water molecules to be the strongest?

Which of the following statements is correct about the bent structure?

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

Which of the following molecules is not linear?

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

Carbon dioxide contains polar bonds and is a nonpolar molecule.

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. -CO₃^2-

Match each molecule with an angle around the central atom. -acetylene, C?H?

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. -O₃ (ozone)

Identify each of the molecules as polar or non-polar. -Br₂

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. -CS₂

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

Identify each of the molecules as polar or non-polar. -H?S

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

Match each of the ions with its corresponding shape. -HCO?-

What is the molecular shape of NO₂-

The bond angle in carbon tetrachloride is 109.5°.

The angle around boron in boron trifluoride is ________.

Match each molecule with an angle around the central atom. -boron trifluoride

Match each molecule with its shape of the central atom. -sulfur dioxide

In a molecule having three pairs of electrons around a central atom and a trigonal planar shape, how many lone pairs of electrons does the central atom have ?

In which of the three phases of matter would you expect hydrogen bonding between water molecules to be the strongest?

Which of the following statements is correct about the bent structure?

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

Which of the following molecules is not linear?

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

Carbon dioxide contains polar bonds and is a nonpolar molecule.

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. -CO₃2-

Match each molecule with an angle around the central atom. -acetylene, C?H?

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. -O₃ (ozone)

Identify each of the molecules as polar or non-polar. -Br2

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. -CS2

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

Identify each of the molecules as polar or non-polar. -H?S

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. -CO₃^2-

Identify each of the molecules as polar or non-polar. -Br₂

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. -CS₂