Question 1

Which of the following elements behaves chemically similarly to potassium

Accepted Answer

A)  magnesium 
B)  sodium 
C)  beryllium 
D)  chlorine 
E)  iron 
A)  magnesium 
B)  sodium 
C)  beryllium 
D)  chlorine 
E)  iron

Question 2

Which, if any, is the ground-state electron configuration for Br-

Accepted Answer

A)  [Kr] or 1s22s22p63s23p64s23d10 
B)  [Kr] or 1s22s22p63s23p64s24p6 
C)  [Kr] or 1s22s22p63s23p64s23d104p4 
D)  [Kr] or 1s22s22p63s23p64s23d104p6 
E)  None of the above 
A)  [Kr] or 1s22s22p63s23p64s23d10 
B)  [Kr] or 1s22s22p63s23p64s24p6 
C)  [Kr] or 1s22s22p63s23p64s23d104p4 
D)  [Kr] or 1s22s22p63s23p64s23d104p6 
E)  None of the above

Question 3

Which of the following elements is found as a monatomic species in its most stable form

Accepted Answer

A)  sulfur 
B)  oxygen 
C)  hydrogen 
D)  argon 
E)  phosphorus 
A)  sulfur 
B)  oxygen 
C)  hydrogen 
D)  argon 
E)  phosphorus

Question 4

Write the products of the following reaction: CO2(g) + H2O(l) $\rarr$

Accepted Answer

A)  H2CO3(aq) 
B)  HCO2 (aq) + OH-(aq) 
C)  HCO (aq) + H+(aq) + CO2(g) 
D)  CO2(g) + H2O(l) 
E)  None of the above 
A)  H2CO3(aq) 
B)  HCO2 (aq) + OH-(aq) 
C)  HCO (aq) + H+(aq) + CO2(g) 
D)  CO2(g) + H2O(l) 
E)  None of the above

Question 5

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

Question 6

Concerning the electron configuration of aluminum, 1s22s22p63s23p1, which of the following represents the valence electrons only

Accepted Answer

A)  1s2 
B)  1s22s2 
C)  1s22s22p6 
D)  1s22s22p63s2 
E)  3s23p1 
A)  1s2 
B)  1s22s2 
C)  1s22s22p6 
D)  1s22s22p63s2 
E)  3s23p1

Question 7

Which, if any, is the ground-state electron configuration for Mg2+

Accepted Answer

A)  [Ne] or 1s22s22p6 
B)  [Ar] or 1s22s22p6 
C)  1s22s22p63s2 
D)  [Ne]3s23p2 or 1s22s22p63s23p2 
E)  None of the above 
A)  [Ne] or 1s22s22p6 
B)  [Ar] or 1s22s22p6 
C)  1s22s22p63s2 
D)  [Ne]3s23p2 or 1s22s22p63s23p2 
E)  None of the above

Question 8

Which, if any, is the ground-state electron configuration for S2-

Accepted Answer

A)  [Ne] or 1s22s22p63s23p6 
B)  [Ar] or 1s22s22p63s23p6 
C)  1s22s22p63s23p5 
D)  [Ar] or 1s22s22p63s23p4 
E)  None of the above 
A)  [Ne] or 1s22s22p63s23p6 
B)  [Ar] or 1s22s22p63s23p6 
C)  1s22s22p63s23p5 
D)  [Ar] or 1s22s22p63s23p4 
E)  None of the above

Question 9

How many 3d electrons does an Fe3+ ion have

Accepted Answer

A)  9 
B)  6 
C)  5 
D)  4 
E)  3 
A)  9 
B)  6 
C)  5 
D)  4 
E)  3

Question 10

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

Question 11

The elements in Group 2A are known by what name

Accepted Answer

A)  transition metals 
B)  halogens 
C)  alkali metals 
D)  alkaline earth metals 
E)  noble gases 
A)  transition metals 
B)  halogens 
C)  alkali metals 
D)  alkaline earth metals 
E)  noble gases

Question 12

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

Question 13

The group 5A elements have relatively small electron affinities compared to the neighboring nonmetals in the corresponding rows.

Accepted Answer

A) True 
 B)False

Question 14

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 15

Amphoteric oxides exhibit both acidic and basic properties.

Accepted Answer

A) True 
 B)False

Question 16

The first ionization energy of sodium is 495.9 kJ/mol. The energy change for the reaction Na(s) $\rarr$Na+(g) + e- is therefore

Accepted Answer

A)  495.9 kJ/mol. 
B)  less than 495.9 kJ/mol. 
C)  greater than 495.9 kJ/mol. 
D)  is equal to the electron affinity of sodium. 
E)  is equal to the second ionization energy of sodium. 
A)  495.9 kJ/mol. 
B)  less than 495.9 kJ/mol. 
C)  greater than 495.9 kJ/mol. 
D)  is equal to the electron affinity of sodium. 
E)  is equal to the second ionization energy of sodium.

Question 17

What are the products of the following reaction
CaH2(s) + 2H2O(l) $\rarr$

Accepted Answer

A)  Ca2+(aq) + 3H2(g) + O2(g) 
B)  2CaOH(s) + H2(g) 
C)  CaO(s) + 3H2(g) 
D)  Ca(OH)2(s) + 2H2(g) 
E)  CaO(s) + 6H+(aq) 
A)  Ca2+(aq) + 3H2(g) + O2(g) 
B)  2CaOH(s) + H2(g) 
C)  CaO(s) + 3H2(g) 
D)  Ca(OH)2(s) + 2H2(g) 
E)  CaO(s) + 6H+(aq)

Question 18

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)  8A 
A)  2A 
B)  3A 
C)  4A 
D)  5A 
E)  8A

Question 19

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 gases 
A)  transition metals 
B)  halogens 
C)  alkali metals 
D)  alkaline earth metals 
E)  noble gases

Question 20

In general the effective nuclear charge felt by the outermost electrons of an element increases when moving across a period.

Accepted Answer

A) True 
 B)False

Exam 8: Periodic Relationships Among the Elements

Which of the following elements behaves chemically similarly to potassium

Which, if any, is the ground-state electron configuration for Br-

Which of the following elements is found as a monatomic species in its most stable form

Write the products of the following reaction: CO2(g) + H2O(l) →\rarr→

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

Concerning the electron configuration of aluminum, 1s22s22p63s23p1, which of the following represents the valence electrons only

Which, if any, is the ground-state electron configuration for Mg2+

Which, if any, is the ground-state electron configuration for S2-

How many 3d electrons does an Fe3+ ion have

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

The elements in Group 2A are known by what name

The electron configuration of a copper(I) ion is

The group 5A elements have relatively small electron affinities compared to the neighboring nonmetals in the corresponding rows.

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

Amphoteric oxides exhibit both acidic and basic properties.

The first ionization energy of sodium is 495.9 kJ/mol. The energy change for the reaction Na(s) →\rarr→ Na+(g) + e- is therefore

What are the products of the following reaction CaH2(s) + 2H2O(l) →\rarr→

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

The elements in Group 7A are known by what name

In general the effective nuclear charge felt by the outermost electrons of an element increases when moving across a period.

Chemistry: The Study of Change

Atoms Molecules and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Hybridization of Atomic

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metals Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

Which, if any, is the ground-state electron configuration for Br^-

Write the products of the following reaction: CO₂(g) + H₂O(l) $\rarr$

Concerning the electron configuration of aluminum, 1s²2s²2p⁶3s²3p¹, which of the following represents the valence electrons only

Which, if any, is the ground-state electron configuration for Mg²⁺

Which, if any, is the ground-state electron configuration for S^2-

How many 3d electrons does an Fe³⁺ ion have

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

The first ionization energy of sodium is 495.9 kJ/mol. The energy change for the reaction Na(s) $\rarr$ Na⁺(g) + e^- is therefore

What are the products of the following reaction CaH₂(s) + 2H₂O(l) $\rarr$

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