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Chemistry multiple choice 2
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1.   How many f orbitals have the value n = 3?

A)

0

B)

3

C)

5

D)

7

E)

1

 

2.   If n = 2, how many orbitals are possible?

A)

3

B)

4

C)

2

D)

8

E)

6

 

3.   A given set of p orbitals consists of ______ orbitals.

A)

1

B)

2

C)

3

D)

4

E)

5

 

4.   The number of orbitals having a given value of l is equal to

A)

2l + 1

B)

2n + 2

C)

3l

D)

l + ml

E)

the number of lobes in each orbital

 

 

5.   How many electrons in an atom can have the quantum numbers n = 3, l = 2?

A)

2

B)

5

C)

10

D)

18

E)

6

 

6.   How many electrons can be contained in all of the orbitals with n = 4?

A)

2

B)

8

C)

10

D)

18

E)

32

 

7.   Which of the following atoms or ions has three unpaired electrons?

A)

N

B)

O

C)

Al

D)

S2–

E)

Ti2+

 

8.   The electron configuration for the barium atom is:

A)

1s22s22p63s23p64s23d10

B)

[Xe]6s2

C)

1s22s22p63s23p64s1

D)

1s22s22p63s23p64s2

E)

none of these

 

9.   Ti has __________ in its d orbitals.

A)

one electron

B)

two electrons

C)

three electrons

D)

four electrons

E)

none of these

 

10.  Germanium has __________ in its 4p orbitals.

A)

one electron

B)

two electrons

C)

three electrons

D)

four electrons

E)

none of these

 

Nitrogen has five valence electrons. Consider the following electron arrangements.

 

2s

 

2p

 

a)

­¯

 

­

­

­

 

 

 

 

 

 

b)

­

 

­¯

­

¯

 

 

 

 

 

 

c)

­

 

­­

­

­

 

 

 

 

 

 

d)

­¯

 

­

­

 

 

 

 

 

 

 

e)

­¯

 

­¯

­

­

 

11.  Which represents the ground state for N?

A)

option a

B)

option b

C)

option c

D)

option d

E)

option e

 

12.  Which represents the ground state for the N ion?

A)

option a

B)

option b

C)

option c

D)

option d

E)

option e

 

13.  Of the following elements, which needs three electrons to complete its valence shell?

A)

Ba

B)

Ca

C)

Si

D)

P

E)

Cl

 

14.  The number of unpaired electrons in the outer subshell of a Cl atom is

A)

0

B)

1

C)

2

D)

3

E)

none of these

 

15.  Which of the following processes represents the ionization energy of bromine?

A)

Br(s)  Br+(g) + e

B)

Br(l)  Br+(g) + e

C)

Br(g)  Br+(g) + e

D)

Br(s)  Br+(s) + e

E)

Br2(g)  Br2+(g) + e

 

16.  Order the elements S, Cl, and F in terms of increasing ionization energy.

A)

S, Cl, F

B)

Cl, F, S

C)

F, S, Cl

D)

F, Cl, S

E)

S, F, Cl

 

17.  Which of the following exhibits the correct orders for both atomic radius and ionization energy, respectively? (smallest to largest)

A)

S, O, F, and F, O, S

B)

F, S, O, and O, S, F

C)

S, F, O, and S, F, O

D)

F, O, S, and S, O, F

E)

none of these

 

18.  Which of the following atoms has the largest ionization energy?

A)

O

B)

Li

C)

Ne

D)

Be

E)

K

 

19.  Consider the following sets of quantum numbers. Which set(s) represent(s) impossible combinations?

 

 

n

l

ml

 

Set a

1

0

1

 

Set b

3

3

0

 

Set c

2

1

1

 

Set d

3

2

–2

 

Set e

3

1

–2

 

Set f

2

0

0

 

20.  Which of the following equations correctly represents the process involved in the electron affinity of X?

A)

X+(g) + e-  =>  X(g)

B)

X+(g) + Y-(g)  =>  XY(g)

C)

X(g) + e-  =>  X-(g)

D)

X(g) => X+(g) + e-

E)

X+(g)  =>  X+(aq)

 

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Chemistry multiple choice 2
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  • Submitted On 04 Oct, 2017 06:31:57
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