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# Essential Organic Chemistry 3rd Edition Test Bank

1

Copyright © 2016 Pearson Education,

Ltd

.

Essential Organic Chemistry, 3e,

(Bruice)

Chapter 1 Remembering General Chemistry: Electronic Structure and Bonding

1) Which of the following elements does this electronic configuration represent?

1s

2

2s

2

2p

5

A) F

B) C

C) N

D) Al

E) O

Answer: A

Diff:

2

Section: 1

-2

Objective: G2, G3

LO:

1.2

2) How many unpaired electrons are present in the isolated carbon atom (atomic number = 6)?

A) none

B) one

C) two

D) three

E) four

Answer: C

Diff: 2

Section: 1

-2

Objective: G2, G3

LO:

1.2

3) Which of the fo

llowing is the electronic configuration of the element Fe?

A) 1s

2

2s

2

2p

6

3s

2

3p

6

4s

2

3d

6

B) 1s

2

2s

2

2p

6

3s

2

3p

8

3d

6

C) 1s

2

2s

2

2p

8

3s

2

3p

6

4s

2

3d

6

D) 1s

2

2s

2

2p

6

3s

2

3p

6

4s

2

4d

6

E) 1s

2

2s

2

2p

6

3s

2

3p

6

4s

2

4p

6

Answer: A

Diff: 2

Section: 1

-2

Objective: G

2, G3

LO:

1.2

2

Copyright © 2016 Pearson Education,

Ltd

.

4) The atomic number of boron is 5. The correct electronic configuration of boron is ________.

A) 1s

2

2s

3

B) 1s

2

2p

3

C) 1s

2

2s

2

2p

1

D) 2s

2

2p

3

E) 1s

2

2s

2

3s

1

Answer: C

Diff: 2

Section: 1

-2

Objective: G2, G3

LO:

1.2

5) Which of the foll

owing statements correctly describes the third electron shell that surrounds the

nucleus of an atom?

A) The third shell contains only

s

and

p

atomic orbitals.

B) The maximum number of electrons that can occupy the third shell is 18.

C) The total number of

atomic orbitals present in the third shell is 16.

D) The third shell can contain

f

orbitals.

E) All third shell elements must have d electrons.

Answer: B

Diff: 2

Section: 1

-2

Objective: G2, G3

LO:

1.2

6) Give the electronic configuration for N

-3

.

A) 1

s

2

2s

2

B) 1s

2

2s

2

2p

3

C) 1s

2

2s

2

2p

4

D) 1s

2

2s

2

2p

6

E) 1s

2

2s

2

2p

6

3s

1

Answer: D

Diff: 2

Section: 1

-2

Objective: G2, G3

LO:

1.2