Question 1

Since zirconium is a metal, ZrO2 is expected to be a/an _____ oxide.

Accepted Answer

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

Question 2

Which of the following elements has the smallest first ionization energy?

Accepted Answer

A)  Cl
B)  Na
C)  Be
D)  K
E)  AsF) C) and D)
G) B) and D)

Question 3

Consider the following reaction 2A + 3F2  →\rarr→  2AF3.What is the formula for the reaction product if we substitute iodine for fluorine?

Accepted Answer

A)  A2I3
B)  A3I2
C)  AI3
D)  A3I
E)  AI F) A) and D)
G) A) and B)

Question 4

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

Accepted Answer

A)  He
B)  Ne
C)  Ar
D)  Kr
E)  XeF) A) and B)
G) A) and C)

Question 5

Which of the following is the electron configuration for the aluminum ion?

Accepted Answer

A)  1s22s22p63s2
B)  1s22s22p63s23p2
C)  1s22s22p63s23p1
D)  1s22s22p6
E)  1s22s22p63s23p4F) All of the above
G) A) and C)

Question 6

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) A) and B)
G) C) and E)

Question 7

Write the ground-state electron configuration for K+.

Accepted Answer

Question 8

An element with the general electron configuration for its outermost electrons of ns2np1 would be in which element group?

Accepted Answer

A)  2A
B)  3A
C)  4A
D)  5A
E)  8AF) C) and D)
G) A) and B)

Question 9

For which of the following reactions is the enthalpy change equal to the second ionization energy of nitrogen?

Accepted Answer

A)  N2+(g)  →\rarr→ N3+(g) + e-
B)  N2+(g) + e-  →\rarr→  N+(g) 
C)  N(g)  →\rarr→  N2+(g) + 2e-
D)  N-(g) + e-  →\rarr→  N2-(g) 
E)  N+(g)  →\rarr→ N2+(g) + e- F) A) and E)
G) C) and D)

Question 10

Which of the following elements behaves chemically similarly to silver?

Accepted Answer

A)  nickel
B)  gold
C)  sulfur
D)  chlorine
E)  ironF) berylliumG) C) and E)
H) D) and E)

Question 11

For Mg atoms a very large jump in the magnitudes of the ionization energies will occur between the second and the third ionization energies.

Accepted Answer

A) True 
 B)False

Question 12

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) None of the above
G) B) and E)

Question 13

The cobalt(III) ion, Co3+, has how many 3d electrons?

Accepted Answer

A)  0
B)  7
C)  6
D)  5
E)  4F) D) and E)
G) All of the above

Question 14

The elements in Group 7A are known by what name?

Accepted Answer

A)  transition metals
B)  halogens
C)  alkali metals
D)  alkaline earth metals
E)  noble gasesF) A) and C)
G) A) and D)

Question 15

Which of the following elements behaves chemically similarly to oxygen?

Accepted Answer

A)  magnesium
B)  sodium
C)  sulfur
D)  chlorine
E)  ironF) berylliumG) C) and F)
H) A) and B)

Question 16

The successive ionization energies of a certain element are I1 = 577.9 kJ/mol, I2 = 1820 kJ/mol, I3= 2750 kJ/mol, I4 = 11,600 kJ/mol, and I5 = 14,800 kJ/mol. This pattern of ionization energies suggests that the unknown element is

Accepted Answer

A)  K
B)  Al
C)  Cl
D)  Se
E)  KrF) A) and E)
G) B) and C)

Question 17

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 C)
G) B) and E)

Question 18

Which of the following is an amphoteric oxide?

Accepted Answer

A)  Na2O
B)  MgO
C)  Al2O3
D)  SO2
E)  Cl2O7F) None of the above
G) A) and C)

Question 19

Consider the following reaction: 3Li + Z  →\rarr→  Li3Z.What is the formula for the compound if we substitute sodium for lithium?

Accepted Answer

A)  NaZ
B)  Na2Z
C)  NaZ2
D)  Na3Z
E)  NaZ3 F) All of the above
G) A) and B)

Question 20

Write the ground-state electron configuration for I-.

Accepted Answer

Exam 8: Periodic Relationships Among the Elements

Consider the following reaction: 3Li + Z →\rarr→ Li3Z.What is the formula for the compound if we substitute sodium for lithium?

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The elements in Group 7A are known by what name?

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Which of the following is an amphoteric oxide?

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Which of the following elements has the smallest first ionization energy?

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Write the ground-state electron configuration for I-.

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For Mg atoms a very large jump in the magnitudes of the ionization energies will occur between the second and the third ionization energies.

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The cobalt(III) ion, Co3+, has how many 3d electrons?

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

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Which of the following elements behaves chemically similarly to silver?

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For which of the following reactions is the enthalpy change equal to the second ionization energy of nitrogen?

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Write the ground-state electron configuration for K+.

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

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Which of the following is the electron configuration for the aluminum ion?

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The successive ionization energies of a certain element are I1 = 577.9 kJ/mol, I2 = 1820 kJ/mol, I3= 2750 kJ/mol, I4 = 11,600 kJ/mol, and I5 = 14,800 kJ/mol. This pattern of ionization energies suggests that the unknown element is

Correct AnswerverifiedShow Answer

Since zirconium is a metal, ZrO2 is expected to be a/an _____ oxide.

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

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

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An element with the general electron configuration for its outermost electrons of ns2np1 would be in which element group?

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Which of the following elements behaves chemically similarly to oxygen?

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Consider the following reaction 2A + 3F2 →\rarr→ 2AF3.What is the formula for the reaction product if we substitute iodine for fluorine?

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Consider the following reaction: 3Li + Z $\rarr$ Li₃Z.What is the formula for the compound if we substitute sodium for lithium?

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

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The cobalt(III) ion, Co³⁺, has how many 3d electrons?

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

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Write the ground-state electron configuration for K⁺.

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The successive ionization energies of a certain element are I₁= 577.9 kJ/mol, I₂= 1820 kJ/mol, I₃= 2750 kJ/mol, I₄ = 11,600 kJ/mol, and I₅ = 14,800 kJ/mol. This pattern of ionization energies suggests that the unknown element is

Correct Answer
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Since zirconium is a metal, ZrO₂ is expected to be a/an _____ oxide.

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

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

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An element with the general electron configuration for its outermost electrons of ns²np¹ would be in which element group?

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Consider the following reaction 2A + 3F₂ $\rarr$ 2AF₃.What is the formula for the reaction product if we substitute iodine for fluorine?

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