Question 1

Consider the element with the electron configuration [Kr]5s24d7. This element is

Accepted Answer

A)  a representative element.
B)  a transition metal.
C)  a nonmetal.
D)  an actinide element.
E)  a noble gas.F) C) and E)
G) B) and D)

Question 2

Since arsenic is a nonmetal, As2O3 is expected to be a/an _____ oxide.

Accepted Answer

A)  acidic
B)  ionic
C)  amphoteric
D)  neutral
E)  basicF) C) and E)
G) A) and B)

Question 3

Amphoteric oxides exhibit both acidic and basic properties.

Accepted Answer

A) True 
 B)False

Question 4

Write the ground-state electron configuration for I-.

Accepted Answer

Question 5

Which of the elements listed below has the highest first ionization energy?

Accepted Answer

A)  C
B)  Ge
C)  P
D)  O
E)  SeF) A) and D)
G) B) and C)

Question 6

Which of the following elements has the greatest electron affinity (largest positive value) ?

Accepted Answer

A)  K
B)  Br
C)  As
D)  Ar
E)  IF) All of the above
G) None of the above

Question 7

Which one of the following is not isoelectronic with the others: Br-, Rb+, Se2-, Sr2+, Te2-?

Accepted Answer

A)  Br-
B)  Rb+
C)  Se2-
D)  Sr2+
E)  Te2-F) A) and B)
G) B) and D)

Question 8

How many 3d electrons does the manganese(II) ion, Mn2+, have?

Accepted Answer

A)  3
B)  4
C)  5
D)  6
E)  7F) B) and D)
G) B) and E)

Question 9

Write the ground-state electron configuration for Ni2+.

Accepted Answer

Question 10

Which of the elements listed below has the smallest first ionization energy?

Accepted Answer

A)  C
B)  Ge
C)  P
D)  O
E)  SeF) B) and E)
G) A) and E)

Question 11

The radii of ions are always smaller than the radii of the corresponding atoms of the same element.

Accepted Answer

A) True 
 B)False

Question 12

Write the ground-state electron configuration for K+.

Accepted Answer

Question 13

Briefly explain why the atomic radius decreases within a period when moving from left to right.

Accepted Answer

Effective nuclear charge incre...

Question 14

Which of the following is the electron configuration of the iron(III) ion?

Accepted Answer

A)  [Ar]3d5
B)  [Ar]4s13d5
C)  [Ar]4s23d3
D)  [Ar]3d6
E)  [Ar]4s23d9F) B) and C)
G) All of the above

Question 15

The general electron configuration for atoms of all elements in Group 5A is

Accepted Answer

A)  ns2np6
B)  ns2np5
C)  ns2np4
D)  ns2np3
E)  ns2np1F) C) and D)
G) B) and C)

Question 16

The electron configuration of a copper(I) ion is

Accepted Answer

A)  [Ar]4s23d8
B)  [Ar]4s13d9
C)  [Ar]3d10
D)  [Ar]4s23d64p2
E)  [Kr]F) B) and C)
G) B) and E)

Question 17

Which one of the following is not isoelectronic with Kr?

Accepted Answer

A)  As3+
B)  Se2-
C)  Rb+
D)  Sr2+
E)  Br-F) A) and B)
G) B) and E)

Question 18

Which one of the following elements is a transition element?

Accepted Answer

A)  antimony
B)  barium
C)  chromium
D)  potassium
E)  seleniumF) A) and B)
G) A) and C)

Question 19

In what row and group of the periodic table would you find the element with the electron configuration [Kr]5s24d105p2?

Accepted Answer

A)  row 4, group 4A
B)  row 4, group 5A
C)  row 5, group 4A
D)  row 5, group 5A
E)  none of the aboveF) A) and E)
G) A) and B)

Exam 8: The Periodic Table

Which of the following elements has the greatest electron affinity (largest positive value) ?

Correct Answer
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Write the ground-state electron configuration for K⁺.

Correct Answer
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Write the ground-state electron configuration for I^-.

Correct Answer
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The radii of ions are always smaller than the radii of the corresponding atoms of the same element.

Correct Answer
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Since arsenic is a nonmetal, As₂O₃ is expected to be a/an _____ oxide.

Correct Answer
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Which one of the following elements is a transition element?

Correct Answer
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Consider the element with the electron configuration [Kr]5s²4d⁷. This element is

Correct Answer
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How many 3d electrons does the manganese(II) ion, Mn²⁺, have?

Correct Answer
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Which of the elements listed below has the highest first ionization energy?

Correct Answer
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Which one of the following is not isoelectronic with the others: Br^-, Rb⁺, Se^2-, Sr²⁺, Te^2-?

Correct Answer
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The general electron configuration for atoms of all elements in Group 5A is

Correct Answer
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Which one of the following is not isoelectronic with Kr?

Correct Answer
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Which of the following is the electron configuration of the iron(III) ion?

Correct Answer
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Which of the elements listed below has the smallest first ionization energy?

Correct Answer
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In what row and group of the periodic table would you find the element with the electron configuration [Kr]5s²4d¹⁰5p²?

Correct Answer
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Briefly explain why the atomic radius decreases within a period when moving from left to right.

Correct Answer
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Effective nuclear charge incre...
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The electron configuration of a copper(I) ion is

Correct Answer
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Amphoteric oxides exhibit both acidic and basic properties.

Correct Answer
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Write the ground-state electron configuration for Ni²⁺.

Correct Answer
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Exam 8: The Periodic Table

Which of the following elements has the greatest electron affinity (largest positive value) ?

Correct AnswerverifiedShow Answer

Write the ground-state electron configuration for K+.

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Write the ground-state electron configuration for I-.

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The radii of ions are always smaller than the radii of the corresponding atoms of the same element.

Correct AnswerverifiedShow Answer

Since arsenic is a nonmetal, As2O3 is expected to be a/an _____ oxide.

Correct AnswerverifiedShow Answer

Which one of the following elements is a transition element?

Correct AnswerverifiedShow Answer

Consider the element with the electron configuration [Kr]5s24d7. This element is

Correct AnswerverifiedShow Answer

How many 3d electrons does the manganese(II) ion, Mn2+, have?

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Which of the elements listed below has the highest first ionization energy?

Correct AnswerverifiedShow Answer

Which one of the following is not isoelectronic with the others: Br-, Rb+, Se2-, Sr2+, Te2-?

Correct AnswerverifiedShow Answer

The general electron configuration for atoms of all elements in Group 5A is

Correct AnswerverifiedShow Answer

Which one of the following is not isoelectronic with Kr?

Correct AnswerverifiedShow Answer

Which of the following is the electron configuration of the iron(III) ion?

Correct AnswerverifiedShow Answer

Which of the elements listed below has the smallest first ionization energy?

Correct AnswerverifiedShow Answer

In what row and group of the periodic table would you find the element with the electron configuration [Kr]5s24d105p2?

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Briefly explain why the atomic radius decreases within a period when moving from left to right.

Correct AnswerverifiedEffective nuclear charge incre...View AnswerShow Answer

The electron configuration of a copper(I) ion is

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Amphoteric oxides exhibit both acidic and basic properties.

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Write the ground-state electron configuration for Ni2+.

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Correct Answer
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Write the ground-state electron configuration for K⁺.

Correct Answer
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Write the ground-state electron configuration for I^-.

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Correct Answer
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Since arsenic is a nonmetal, As₂O₃ is expected to be a/an _____ oxide.

Correct Answer
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Correct Answer
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Consider the element with the electron configuration [Kr]5s²4d⁷. This element is

Correct Answer
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How many 3d electrons does the manganese(II) ion, Mn²⁺, have?

Correct Answer
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Correct Answer
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Which one of the following is not isoelectronic with the others: Br^-, Rb⁺, Se^2-, Sr²⁺, Te^2-?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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In what row and group of the periodic table would you find the element with the electron configuration [Kr]5s²4d¹⁰5p²?

Correct Answer
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Correct Answer
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Effective nuclear charge incre...
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Correct Answer
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Correct Answer
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Write the ground-state electron configuration for Ni²⁺.

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