Question 1

Which of the following species will have the highest ionization energy?

Accepted Answer

A)  K+
B)  Ar
C)  Cl-
D)  S2-E) A) and B)
F) B) and D)

Question 2

How many valence electrons does an atom of Al possess?

Accepted Answer

A)  1
B)  2
C)  5
D)  3
E)  8F) A) and C)
G) A) and D)

Question 3

How many valence electrons does an atom of Ti possess?

Accepted Answer

A)  2
B)  4
C)  6
D)  8
E)  0F) C) and E)
G) B) and D)

Question 4

How many valence electrons does an atom of Ba possess?

Accepted Answer

A)  2
B)  1
C)  8
D)  6
E)  3F) None of the above
G) A) and B)

Question 5

Place the following in order of increasing atomic radius. As O B

Accepted Answer

A)  As 
B)  O 
C)  Br 
D)  As 
E)  O < Br < AsF) A) and E)
G) B) and D)

Question 6

The condensed electron configuration of krypton, element 36, is ________.

Accepted Answer

A)  [Kr]4s23d8
B)  [Ar]4s4
C)  [Kr]4s43d8
D)  [Ar]3d104s24p6
E)  [Ar]4s43d4F) A) and D)
G) A) and B)

Question 7

Identify the ground-state electron configuration for Se.

Accepted Answer

A)  [Ar]4s23d104p4
B)  [Ar]4s24d104p4
C)  [Ar]4s23d104p6
D)  [Ar]4s23d10
E)  [Ar]3d104p4F) B) and D)
G) B) and C)

Question 8

Using the periodic table, identify the element with the following exception electron configuration: [Xe]6s15d9

Accepted Answer

A)  Au
B)  Pt
C)  Pd
D)  Tl
E)  HfF) A) and E)
G) C) and D)

Question 9

Match the following.

-valence electrons

Accepted Answer

A)  1
B)  electrons in the outermost shell
C)  electrons in completed shells
D)  2E) A) and D)
F) None of the above

Question 10

How many valence electrons does an atom of Cu possess?

Accepted Answer

A)  2
B)  9
C)  11
D)  3
E)  1F) All of the above
G) None of the above

Question 11

Which of the following represents the change in electronic configuration that is associated with the first ionization energy of strontium?

Accepted Answer

A)  [Kr]5s15p1 → [Kr]5s1 + e-
B)  [Kr]5s2 → [Kr]5s15p1
C)  [Kr]5s2 → [Kr]5s1 + e-
D)  [Kr]5s2 + e- → [Kr]5s25p1E) A) and B)
F) A) and C)

Question 12

Place the following in order of decreasing metallic character. C O N F

Accepted Answer

A)  O > N > F > C
B)  F > O > N > C
C)  C > N > O > F
D)  F > N > O > C
E)  N > C > O > FF) A) and B)
G) A) and C)

Question 13

Place the following in order of increasing radius. Ca2⁺ S2⁻ Cl⁻

Accepted Answer

A)  Ca2⁺ 2⁻
B)  Cl⁻ 2⁺ 2⁻
C)  S2⁻ 2⁺
D)  Ca2⁺ 2⁻ 
E)  Cl⁻ 2⁻ 2⁺F) A) and B)
G) A) and D)

Question 14

Use the periodic table to predict the most stable oxidation state for the following element: Br

Accepted Answer

A)  +1
B)  +2
C)  +3
D)  -1
E)  -2F) A) and B)
G) B) and E)

Question 15

Use the periodic table to predict the most stable oxidation state for the following element: F

Accepted Answer

A)  +1
B)  +2
C)  +3
D)  -1
E)  -2F) A) and E)
G) A) and B)

Question 16

An element that has the valence electron configuration 3s23p6 belongs to which period and group?

Accepted Answer

A)  period 3; group 17
B)  period 3; group 2
C)  period 3; group 7
D)  period 3; group 3
E)  period 3; group 5F) A) and E)
G) A) and B)

Question 17

Of the following, which atom has the largest atomic radius?

Accepted Answer

A)  Rb
B)  I
C)  Cs
D)  AtE) A) and B)
F) None of the above

Question 18

Place the following in order of increasing radius. Br⁻ Na⁺ Rb⁺

Accepted Answer

A)  Br⁻ 
B)  Na⁺ 
C)  Rb⁺ 
D)  Br⁻ 
E)  Rb⁺ < Na⁺ < Br⁻F) All of the above
G) A) and E)

Question 19

Which reaction below represents the second electron affinity of S?

Accepted Answer

A)  S(g) + e⁻ → S⁻(g) 
B)  S⁻(g) + e⁻ → S2⁻(g) 
C)  S(g) → S⁺(g) + e⁻
D)  S⁻(g) → S(g) + e⁻
E)  S2⁻(g) → S⁻(g) + e⁻F) C) and D)
G) None of the above

Question 20

Identify the number of valence electrons for Mn.

Accepted Answer

A)  8
B)  7
C)  5
D)  2E) B) and C)
F) C) and D)

Exam 8: Periodic Properties of the Elements

How many valence electrons does an atom of Cu possess?

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Identify the number of valence electrons for Mn.

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Of the following, which atom has the largest atomic radius?

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How many valence electrons does an atom of Al possess?

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How many valence electrons does an atom of Ba possess?

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Place the following in order of increasing atomic radius. As O B

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Use the periodic table to predict the most stable oxidation state for the following element: F

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An element that has the valence electron configuration 3s23p6 belongs to which period and group?

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Place the following in order of increasing radius. Br⁻ Na⁺ Rb⁺

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Use the periodic table to predict the most stable oxidation state for the following element: Br

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Identify the ground-state electron configuration for Se.

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Place the following in order of decreasing metallic character. C O N F

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Which of the following species will have the highest ionization energy?

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Using the periodic table, identify the element with the following exception electron configuration: [Xe]6s15d9

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Match the following. -valence electrons

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Which reaction below represents the second electron affinity of S?

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Which of the following represents the change in electronic configuration that is associated with the first ionization energy of strontium?

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The condensed electron configuration of krypton, element 36, is ________.

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Place the following in order of increasing radius. Ca2⁺ S2⁻ Cl⁻

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How many valence electrons does an atom of Ti possess?

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An element that has the valence electron configuration 3s²3p⁶ belongs to which period and group?

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Using the periodic table, identify the element with the following exception electron configuration: [Xe]6s¹5d⁹

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Place the following in order of increasing radius. Ca²⁺ S²⁻ Cl⁻

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