Chapter 8 Basic Concepts of Chemical Bonding

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Chapter 8Basic Conceptsof Chemical Bonding

• Chemistry, The Central Science, 11th edition
• Theodore L. Brown H. Eugene LeMay, Jr.
• Bruce E. Bursten and Catherine J. Murphy

Donna Narsavage Heald Siena College Loudonville,
NY ? 2009, Prentice Hall
2
Which atom sometimes violates the octet rule?

1. C
2. N
3. O
4. F
5. S

3
Which atom sometimes violates the octet rule?

1. C
2. N
3. O
4. F
5. S

4
Order the following according to increasing
atomic radius.
Ge Si Se Cl

1. Ge lt Si lt Se lt Cl
2. Se lt Si lt Ge lt Cl
3. Si lt Cl lt Ge lt Se
4. Cl lt Si lt Se lt Ge
5. Si lt Ge lt Se lt Cl

5
Order the following according to increasing
atomic radius.
Ge Si Se Cl

1. Ge lt Si lt Se lt Cl
2. Se lt Si lt Ge lt Cl
3. Si lt Cl lt Ge lt Se
4. Cl lt Si lt Se lt Ge
5. Si lt Ge lt Se lt Cl

6
Which of the following will have the largest
lattice energy?

1. CsCl
2. ZnS
3. CaF2
4. NaCl
5. Diamond

7
Which of the following will have the largest
lattice energy?

1. CsCl
2. ZnS
3. CaF2
4. NaCl
5. Diamond

8
What is the electronic configuration of Fe2?

1. 4s23d4
2. 4s13d5
3. 3d5
4. 3d6
5. 4s23d8

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What is the electronic configuration of Fe2?

1. 4s23d4
2. 4s13d5
3. 3d5
4. 3d6
5. 4s23d8

10
How many unpaired electrons are there in Cu?

1. 0
2. 1
3. 2
4. 3
5. 4

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How many unpaired electrons are there in Cu?

1. 0
2. 1
3. 2
4. 3
5. 4

12
What is the average bond order in the molecule
ozone, O3?

1. 1
2. 1.33
3. 1.5
4. 1.67
5. 2

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What is the average bond order in the molecule
ozone, O3?

1. 1
2. 1.33
3. 1.5
4. 1.67
5. 2

14
What is the average SO bond order in the Lewis
structure of sulfur trioxide, SO3?

1. 0.5
2. 1
3. 1.33
4. 1.5
5. 2

15
What is the average SO bond order in the Lewis
structure of sulfur trioxide, SO3?

1. 0.5
2. 1
3. 1.33
4. 1.5
5. 2

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How many resonance structures can be drawn for
NO3?

1. 1
2. 2
3. 3
4. 4
5. 5

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How many resonance structures can be drawn for
NO3?

1. 1
2. 2
3. 3
4. 4
5. 5

18
Considering formal charge, what is the preferred
Lewis structure of NCO?
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Considering formal charge, what is the preferred
Lewis structure of NCO?