Question 1

Match each molecule with its shape of the central atom.
-nitrogen trifluoride

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 2

Which of the following compounds would be soluble in a nonpolar solvent?

Accepted Answer

A)  H₂S 
B)  NH₃ 
C)  CC14 
D)  SO₂ 
A)  H₂S 
B)  NH₃ 
C)  CC14 
D)  SO₂

Question 3

Match each molecule with an angle around the central atom.
-sulfur trioxide

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 4

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.
-NO₂-

Accepted Answer

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

Question 5

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.
-CSe2

Accepted Answer

Question 6

What is the molecular shape of H₂S?

Accepted Answer

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

Question 7

Match each molecule with an angle around the central atom.
-sulfur dioxide

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 8

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.
-PO₄-

Accepted Answer

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

Question 9

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

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 10

The ball-and-stick model emphasizes the bonding pattern.

Accepted Answer

A) True 
 B)False

Question 11

The bond angle in ammonia is 109.5°.

Accepted Answer

A) True 
 B)False

Question 12

In a molecule having four pairs of electrons around the center atom and a bent shape, how many bonding pairs does the central atom have?

Accepted Answer

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

Question 13

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

Accepted Answer

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

Question 14

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

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.
-SO₃

Accepted Answer

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

Question 16

Which of the following molecules is pyramidal and has a bond angle close to 107° around the central atom?

Accepted Answer

A)  sulfur dioxide 
B)  boron trifluoride 
C)  ammonia 
D)  both A and C 
A)  sulfur dioxide 
B)  boron trifluoride 
C)  ammonia 
D)  both A and C

Question 17

Which of the following molecules is bent and has a bond angle close to 118° around the central atom?

Accepted Answer

A)  sulfur dioxide 
B)  boron trifluoride 
C)  ammonia 
D)  both A and C 
A)  sulfur dioxide 
B)  boron trifluoride 
C)  ammonia 
D)  both A and C

Question 18

In the VSEPR model the multiple bond is treated as a single electron group, just the way a single bond is treated.

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

A)  The pyramidal structure is very similar to the tetrahedral structure except one electron pair in the pyramidal structure replaces a bond in the tetrahedral one. 
B)  The pyramidal structure is the shape of the ammonia molecule. 
C)  The bond angles around the central atom very close to the 107°. 
D)  All above statements are correct. 
A)  The pyramidal structure is very similar to the tetrahedral structure except one electron pair in the pyramidal structure replaces a bond in the tetrahedral one. 
B)  The pyramidal structure is the shape of the ammonia molecule. 
C)  The bond angles around the central atom very close to the 107°. 
D)  All above statements are correct.

Question 20

Which of the following compounds is non-polar?

Accepted Answer

A)  acetylene, C₂H₂ 
B)  ethene, C₂H₄ 
C)  methane 
D)  All of the above are non-polar. 
A)  acetylene, C₂H₂ 
B)  ethene, C₂H₄ 
C)  methane 
D)  All of the above are non-polar.

Match each molecule with its shape of the central atom. -nitrogen trifluoride

Which of the following compounds would be soluble in a nonpolar solvent?

Match each molecule with an angle around the central atom. -sulfur trioxide

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. -NO₂-

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. -CSe₂

What is the molecular shape of H₂S?

Match each molecule with an angle around the central atom. -sulfur dioxide

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. -PO₄-

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

The ball-and-stick model emphasizes the bonding pattern.

The bond angle in ammonia is 109.5°.

In a molecule having four pairs of electrons around the center atom and a bent shape, how many bonding pairs does the central atom have?

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

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

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. -SO₃

Which of the following molecules is pyramidal and has a bond angle close to 107° around the central atom?

Which of the following molecules is bent and has a bond angle close to 118° around the central atom?

In the VSEPR model the multiple bond is treated as a single electron group, just the way a single bond is treated.

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

Which of the following compounds is non-polar?

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 molecule with its shape of the central atom. -nitrogen trifluoride

Which of the following compounds would be soluble in a nonpolar solvent?

Match each molecule with an angle around the central atom. -sulfur trioxide

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. -NO₂-

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. -CSe2

What is the molecular shape of H₂S?

Match each molecule with an angle around the central atom. -sulfur dioxide

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. -PO₄-

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

The ball-and-stick model emphasizes the bonding pattern.

The bond angle in ammonia is 109.5°.

In a molecule having four pairs of electrons around the center atom and a bent shape, how many bonding pairs does the central atom have?

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

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

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. -SO₃

Which of the following molecules is pyramidal and has a bond angle close to 107° around the central atom?

Which of the following molecules is bent and has a bond angle close to 118° around the central atom?

In the VSEPR model the multiple bond is treated as a single electron group, just the way a single bond is treated.

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

Which of the following compounds is non-polar?

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. -CSe₂