Question 1

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

Accepted Answer

A)  Mg
B)  Al
C)  Si
D)  P
E)  S

Question 2

If the radius of atom X is greater than the radius of atom Y, then it is also likely that

Accepted Answer

A)  X has a larger electron affinity than Y does.
B)  X has a larger effective nuclear charge than Y does.
C)  X has greater metallic character than Y does.
D)  X has a larger first ionization energy than Y does.
E)  X is a poorer conductor of electricity than Y when in the solid state.

Question 3

Which of the following is the electron configuration of a sulfide ion?

Accepted Answer

A)  [Ne]3s23p4
B)  [Ne]
C)  [Ne]3s23p1
D)  [Ar]
E)  [Ne]3s23p2 D

Question 4

As opposed to early periodic tables based on the law of octaves, modern periodic tables arrange the elements in order of increasing

Accepted Answer

A)  nuclear binding energy.
B)  number of neutrons.
C)  atomic mass.
D)  atomic number.
E)  atomic size.

Question 5

Electron affinity is always a positive quantity.

Accepted Answer

A) True 
 B)False

Question 6

The first ionization energy of mercury is 1006 kJ/mol. The energy change for the reaction Hg(l)  →\rarr→  Hg+(g) + e- is therefore

Accepted Answer

A)  1006 kJ/mol.
B)  greater than 1006 kJ/mol.
C)  less than 1006 kJ/mol.
D)  is equal to the electron affinity of mercury.
E)  is equal to the second ionization energy of mercury.

Question 7

The alkali metal elements are found in _______ of the periodic table.

Accepted Answer

A)  Group 1A
B)  Group 2A
C)  Group 3A
D)  Period 7
E)  Period 1

Question 8

Which of the atoms listed below has the smallest radius?

Accepted Answer

A)  Al
B)  P
C)  As
D)  Te
E)  Na

Question 9

Which of the following ground-state ions has unpaired electrons?

Accepted Answer

A)  P3-
B)  V5+
C)  Mg2+
D)  Sc2+
E)  S2+

Question 10

The successive ionization energies of a certain element are I1 = 589.5 kJ/mol, I2 =1145 kJ/mol, I3= 4900 kJ/mol, I4 = 6500 kJ/mol, and I5 = 8100 kJ/mol. This pattern of ionization energies suggests that the unknown element is

Accepted Answer

A)  K.
B)  Si.
C)  As.
D)  Ca.
E)  S. D

Question 11

Which of the following elements behaves chemically similarly to silver?

Accepted Answer

A)  nickel
B)  gold
C)  sulfur
D)  chlorine
E)  ironF) beryllium

Question 12

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

Accepted Answer

A)  MgZ
B)  Mg2Z
C)  MgZ2
D)  Mg3Z
E)  Mg3Z2

Question 13

In a surprisingly large number of their properties, beryllium resembles aluminum and boron resembles silicon. Such a relationship is called

Accepted Answer

A)  amphoterism.
B)  an allotropic relationship.
C)  a diagonal relationship.
D)  the periodic law.
E)  an isoelectronic series.

Question 14

Which of the following elements has the greatest metallic character?

Accepted Answer

A)  Br
B)  F
C)  Ge
D)  Mn
E)  Sc

Question 15

Which of the following make an isoelectronic pair: Cl- , O2-, F, Ca2+, Fe3+?

Accepted Answer

A)  Ca2+ and Fe3+
B)  O2-  and F
C)  F and Cl-
D)  Cl-  and Ca2+
E)  None of the above.

Question 16

The law of octaves states that every eighth element has similar properties when arranged in order of increasing

Accepted Answer

A)  nuclear binding energy.
B)  number of electrons.
C)  number of neutrons.
D)  atomic mass.
E)  atomic number. D

Question 17

For phosphorus atoms, which ionization energy will show an exceptionally large increase over the previous ionization energy?

Accepted Answer

A)  2nd
B)  3rd
C)  4th
D)  5th
E)  6th

Question 18

Arrange the following ions in order of decreasing ionic radius: Al3+, Mg2+, Na+, O2-. decreasing radius  →\rarr→

Accepted Answer

A)  Al3+ > Mg2+ > O2- > Na+
B)  Al3+ > Mg2+ > Na+ > O2-
C)  Na+ > Mg2+ > Al3+ > O2-
D)  O2- > Al3+ > Mg2+ > Na+
E)  O2- > Na+ > Mg2+ > Al3+

Question 19

Which one of the following does not have [Xe] as its electronic configuration?

Accepted Answer

A)  Te2-
B)  I-
C)  Cs+
D)  Ba2+
E)  Sn4+

Question 20

Which of the atoms listed below has the largest radius?

Accepted Answer

A)  Cl
B)  I
C)  P
D)  Sb
E)  Se

Exam 8: The Periodic Table

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

Correct AnswerverifiedShow Answer

If the radius of atom X is greater than the radius of atom Y, then it is also likely that

Correct AnswerverifiedShow Answer

Which of the following is the electron configuration of a sulfide ion?

Correct AnswerverifiedD

As opposed to early periodic tables based on the law of octaves, modern periodic tables arrange the elements in order of increasing

Correct AnswerverifiedShow Answer

Electron affinity is always a positive quantity.

Correct AnswerverifiedShow Answer

The first ionization energy of mercury is 1006 kJ/mol. The energy change for the reaction Hg(l) →\rarr→ Hg+(g) + e- is therefore

Correct AnswerverifiedShow Answer

The alkali metal elements are found in _______ of the periodic table.

Correct AnswerverifiedShow Answer

Which of the atoms listed below has the smallest radius?

Correct AnswerverifiedShow Answer

Which of the following ground-state ions has unpaired electrons?

Correct AnswerverifiedShow Answer

The successive ionization energies of a certain element are I1 = 589.5 kJ/mol, I2 =1145 kJ/mol, I3= 4900 kJ/mol, I4 = 6500 kJ/mol, and I5 = 8100 kJ/mol. This pattern of ionization energies suggests that the unknown element is

Correct AnswerverifiedD

Which of the following elements behaves chemically similarly to silver?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In a surprisingly large number of their properties, beryllium resembles aluminum and boron resembles silicon. Such a relationship is called

Correct AnswerverifiedShow Answer

Which of the following elements has the greatest metallic character?

Correct AnswerverifiedShow Answer

Which of the following make an isoelectronic pair: Cl- , O2-, F, Ca2+, Fe3+?

Correct AnswerverifiedShow Answer

The law of octaves states that every eighth element has similar properties when arranged in order of increasing

Correct AnswerverifiedD

For phosphorus atoms, which ionization energy will show an exceptionally large increase over the previous ionization energy?

Correct AnswerverifiedShow Answer

Arrange the following ions in order of decreasing ionic radius: Al3+, Mg2+, Na+, O2-. decreasing radius →\rarr→

Correct AnswerverifiedShow Answer

Which one of the following does not have [Xe] as its electronic configuration?

Correct AnswerverifiedShow Answer

Which of the atoms listed below has the largest radius?

Correct AnswerverifiedShow Answer

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D

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The first ionization energy of mercury is 1006 kJ/mol. The energy change for the reaction Hg(l) $\rarr$ Hg⁺(g) + e^- is therefore

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The successive ionization energies of a certain element are I₁= 589.5 kJ/mol, I₂=1145 kJ/mol, I₃= 4900 kJ/mol, I₄ = 6500 kJ/mol, and I₅ = 8100 kJ/mol. This pattern of ionization energies suggests that the unknown element is

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D

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

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Which of the following make an isoelectronic pair: Cl^-, O^2-, F, Ca²⁺, Fe³⁺?

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D

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Arrange the following ions in order of decreasing ionic radius: Al³⁺, Mg²⁺, Na⁺, O^2-. decreasing radius $\rarr$

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