Question 1

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

Accepted Answer

A)  Rb
B)  I
C)  Cs
D)  AtE) B) and D)
F) B) and C)

Question 2

What was the predicted formula for the oxide of eka-aluminum (gallium) ?

Accepted Answer

A)  XO2
B)  X2O
C)  XO
D)  X2O3E) None of the above
F) A) and B)

Question 3

Identify the number of valence electrons for Pb.

Accepted Answer

A)  4
B)  2
C)  12
D)  28
E)  26F) A) and C)
G) B) and E)

Question 4

An element that has the valence electron configuration 6s26p2 belongs to which period and group?

Accepted Answer

A)  period 6; group 16
B)  period 6; group 6
C)  period 6; group 4
D)  period 6; group 14
E)  period 6; group 9F) B) and C)
G) All of the above

Question 5

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

Accepted Answer

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

Question 6

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

Accepted Answer

A)  K+
B)  Ar
C)  Cl-
D)  S2-E) None of the above
F) A) and C)

Question 7

Place the following in order of increasing IE1. 
K \quad Ca \quad Rb

Accepted Answer

A)  Ca 
B)  Rb 
C)  Ca 
D)  Rb 
E)  K < Ca < Rb F) B) and D)
G) B) and C)

Question 8

How many valence electrons does an atom of Ba possess?

Accepted Answer

A)  2
B)  1
C)  8
D)  6
E)  3F) A) and C)
G) A) and B)

Question 9

How many valence electrons does an atom of Cu possess?

Accepted Answer

A)  2
B)  9
C)  11
D)  3
E)  1F) A) and B)
G) A) and E)

Question 10

Use the periodic table to determine the ground-state electron configuration for the following element: Mn

Accepted Answer

A)  [Ar]4s23d5
B)  [Ar]4s23p5
C)  [Ar]4s23d104p5
D)  [Kr]5s24d6
E)  [Ne]3s23p4F) A) and E)
G) B) and C)

Question 11

Why do Li,Na,and K have similar chemical properties?

Accepted Answer

They are in the same...

Question 12

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

Accepted Answer

A)  As 
B)  O 
C)  B 
D)  As 
E)  O < B < As F) C) and D)
G) D) and E)

Question 13

Place the following in order of increasing IE1. 
N \quad F \quad As

Accepted Answer

A)  N 
B)  As 
C)  F 
D)  As 
E)  F < As < N F) B) and E)
G) None of the above

Question 14

Why is the first ionization energy of sulfur smaller than the first ionization energy of phosphorus?

Accepted Answer

When sulfur loses one electron,it takes ...

Question 15

Identify the number of valence electrons for Mn.

Accepted Answer

A)  8
B)  7
C)  5
D)  2E) All of the above
F) None of the above

Question 16

Describe the reaction of the noble gases with metals.

Accepted Answer

A)  inert
B)  vigorous
C)  mild reaction
D)  forms water
E)  dissolvesF) A) and E)
G) C) and D)

Question 17

Which reaction below represents the second ionization of Sr?

Accepted Answer

A)  Sr(g) → Sr+ (g) + e-
B)  Sr2+ (g) + e- → Sr+ (g) 
C)  Sr+ (g) + e- → Sr(g) 
D)  Sr- (g) + e- → Sr2- (g) 
E)  Sr+ (g) → Sr2+ (g) + e-F) C) and E)
G) D) and E)

Question 18

Use the periodic table to determine the ground-state electron configuration for the following element: Co

Accepted Answer

A)  [Ar]4s23d7
B)  [Ar]4s23d9
C)  [Ar]4s23d5
D)  [Ar]3d9
E)  [Ar]4s23d3F) A) and E)
G) B) and D)

Question 19

Which ionization process requires the most energy?

Accepted Answer

A)  S(g) → S+(g) + e-
B)  S+(g) → S2+(g) + e-
C)  Cl(g) → Cl+(g) + e-
D)  Cl+(g) → Cl2+(g) + e-E) A) and D)
F) A) and C)

Question 20

Identify the ground-state electron configuration for Pb.

Accepted Answer

A)  [Xe]6s26p2
B)  [Xe]6s25d106p2
C)  [Xe]6s25f146d106p2
D)  [Xe]6s24f145d106p2
E)  [Xe]6s24f145d106s26p2F) B) and E)
G) All of the above

Exam 8: Periodic Properties of the Elements

What was the predicted formula for the oxide of eka-aluminum (gallium) ?

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Which reaction below represents the second ionization of Sr?

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Identify the ground-state electron configuration for Pb.

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Identify the number of valence electrons for Mn.

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Which ionization process requires the most energy?

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An element that has the valence electron configuration 6s26p2 belongs to which period and group?

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How many valence electrons does an atom of Ba possess?

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Why do Li,Na,and K have similar chemical properties?

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

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Place the following in order of increasing IE1. N \quad F \quad As

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

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How many valence electrons does an atom of Cu possess?

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Use the periodic table to determine the ground-state electron configuration for the following element: Co

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

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Describe the reaction of the noble gases with metals.

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Identify the number of valence electrons for Pb.

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Place the following in order of increasing IE1. K \quad Ca \quad Rb

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

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Use the periodic table to determine the ground-state electron configuration for the following element: Mn

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Why is the first ionization energy of sulfur smaller than the first ionization energy of phosphorus?

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An element that has the valence electron configuration 6s²6p² belongs to which period and group?

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They are in the same...
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Place the following in order of increasing IE₁. N $\quad$ F $\quad$ As

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Place the following elements in order of increasing atomic radius. As $\quad$ O $\quad$ B

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Place the following in order of increasing IE₁. K $\quad$ Ca $\quad$ Rb

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When sulfur loses one electron,it takes ...
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