Chemistry 7th edition

Textbook Cover

Antony C. Wilbraham, Dennis D. Staley, Michael S. Matta, and Edward L. Waterman
Publisher: Pearson Education


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  • Chapter 1: Introduction to Chemistry
    • 1.1: The Scope of Chemistry (1)
    • 1.2: Chemistry and You
    • 1.3: Thinking Like a Scientist
    • 1.4: Problem Solving in Chemistry (1)
    • 1: Understand Concepts
    • 1: Think Critically (2)
    • 1: Enrichment
    • 1: Write About Science
    • 1: Standardized Test Prep (7)
    • 1: Extra Problems (11)
    • 1: Sample Problems
    • 1: WebAssign Answer Entry Tutorials

  • Chapter 2: Matter and Change
    • 2.1: Properties of Matter (1)
    • 2.2: Mixtures (3)
    • 2.3: Elements and Compounds (6)
    • 2.4: Chemical Reactions (1)
    • 2: Understand Concepts (1)
    • 2: Think Critically (2)
    • 2: Enrichment (1)
    • 2: Write About Science
    • 2: Standardized Test Prep (3)
    • 2: Extra Problems (6)
    • 2: Sample Problems
    • 2: WebAssign Answer Entry Tutorials

  • Chapter 3: Scientific Measurement
    • 3.1: Using and Expressing Measurements (3)
    • 3.2: Units of Measurements (3)
    • 3.3: Solving Conversion Problems (4)
    • 3: Understand Concepts (4)
    • 3: Think Critically (4)
    • 3: Enrichment (2)
    • 3: Write About Science
    • 3: Standardized Test Prep (5)
    • 3: Extra Problems (16)
    • 3: Sample Problems (3)
    • 3: WebAssign Answer Entry Tutorials (1)

  • Chapter 4: Atomic Structure
    • 4.1: Defining the Atom (1)
    • 4.2: Structure of the Nuclear Atom (1)
    • 4.3: Distinguishing Among Atoms (3)
    • 4: Understand Concepts (5)
    • 4: Think Critically (1)
    • 4: Enrichment
    • 4: Write About Science
    • 4: Cumulative Review (2)
    • 4: Standardized Test Prep (4)
    • 4: Extra Problems
    • 4: Sample Problems
    • 4: WebAssign Answer Entry Tutorials

  • Chapter 5: Electrons in Atoms
    • 5.1: Revising the Atomic Model (1)
    • 5.2: Electron Arrangement in Atoms (3)
    • 5.3: Atomic Emission Spectra and the Quantum Mechanical Model (2)
    • 5: Understand Concepts (3)
    • 5: Think Critically
    • 5: Enrichment (1)
    • 5: Write About Science
    • 5: Cumulative Review (2)
    • 5: Standardized Test Prep (2)
    • 5: Extra Problems (2)
    • 5: Sample Problems
    • 5: WebAssign Answer Entry Tutorials (1)

  • Chapter 6: The Periodic Table
    • 6.1: Organizing the Elements
    • 6.2: Classifying the Elements (2)
    • 6.3: Periodic Trends (6)
    • 6: Understand Concepts (7)
    • 6: Think Critically (2)
    • 6: Enrichment
    • 6: Write About Science
    • 6: Cumulative Review
    • 6: Standardized Test Prep (3)
    • 6: Extra Problems (1)
    • 6: Sample Problems
    • 6: WebAssign Answer Entry Tutorials

  • Chapter 7: Ionic and Metallic Bonding
    • 7.1: Ions (4)
    • 7.2: Ionic Bonds and Ionic Compounds (3)
    • 7.3: Bonding in Metals (1)
    • 7: Understand Concepts (4)
    • 7: Think Critically
    • 7: Enrichment
    • 7: Write About Science
    • 7: Cumulative Review
    • 7: Standardized Test Prep (4)
    • 7: Extra Problems
    • 7: Sample Problems
    • 7: WebAssign Answer Entry Tutorials

  • Chapter 8: Covalent Bonding
    • 8.1: Molecular Compounds
    • 8.2: The Nature of Covalent Bonding (4)
    • 8.3: Bonding Theories (1)
    • 8.4: Polar Bonds and Molecules (2)
    • 8: Understand Concepts (1)
    • 8: Think Critically
    • 8: Enrichment
    • 8: Write About Science
    • 8: Cumulative Review
    • 8: Standardized Test Prep (3)
    • 8: Extra Problems (7)
    • 8: Sample Problems
    • 8: WebAssign Answer Entry Tutorials (2)

  • Chapter 9: Chemical Names and Formulas
    • 9.1: Naming Ions (2)
    • 9.2: Naming and Writing Formulas for Ionic Compounds (4)
    • 9.3: Naming and Writing Formulas for Molecular Compounds (2)
    • 9.4: Naming and Writing Formulas for Acids and Bases
    • 9.5: The Laws Governing How Compounds Form
    • 9: Understand Concepts (1)
    • 9: Think Critically (2)
    • 9: Enrichment
    • 9: Write About Science
    • 9: Cumulative Review
    • 9: Standardized Test Prep (3)
    • 9: Extra Problems (2)
    • 9: Sample Problems (1)
    • 9: WebAssign Answer Entry Tutorials

  • Chapter 10: Chemical Quantities
    • 10.1: The Mole: A Measurement of Matter (9)
    • 10.2: Mole-Mass and Mole-Volume Relationships (1)
    • 10.3: Percent Composition and Chemical Formulas
    • 10: Understand Concepts (1)
    • 10: Think Critically (3)
    • 10: Enrichment
    • 10: Write About Science
    • 10: Cumulative Review (3)
    • 10: Standardized Test Prep (1)
    • 10: Extra Problems (4)
    • 10: Sample Problems
    • 10: WebAssign Answer Entry Tutorials

  • Chapter 11: Chemical Reactions
    • 11.1: Describing Chemical Reactions (2)
    • 11.2: Types of Chemical Reactions (2)
    • 11.3: Reactions in Aqueous Solutions (1)
    • 11: Understand Concepts (1)
    • 11: Think Critically
    • 11: Enrichment
    • 11: Write About Science
    • 11: Cumulative Review
    • 11: Standardized Test Prep (1)
    • 11: Extra Problems (14)
    • 11: Sample Problems
    • 11: WebAssign Answer Entry Tutorials

  • Chapter 12: Stoichiometry
    • 12.1: The Arithmetic of Equations (1)
    • 12.2: Chemical Calculations (6)
    • 12.3: Limiting Reagent and Percent Yield (3)
    • 12: Understand Concepts (5)
    • 12: Think Critically (3)
    • 12: Enrichment
    • 12: Write About Science
    • 12: Cumulative Review (4)
    • 12: Standardized Test Prep
    • 12: Extra Problems (5)
    • 12: Sample Problems
    • 12: WebAssign Answer Entry Tutorials

  • Chapter 13: States of Matter
    • 13.1: The Nature of Gases (5)
    • 13.2: The Nature of Liquids (1)
    • 13.3: The Nature of Solids (1)
    • 13.4: Changes of State (1)
    • 13: Understand Concepts
    • 13: Think Critically (1)
    • 13: Enrichment (1)
    • 13: Cumulative Review (4)
    • 13: Standardized Test Prep (2)
    • 13: Extra Problems (8)
    • 13: Sample Problems
    • 13: WebAssign Answer Entry Tutorials

  • Chapter 14: The Behavior of Gases
    • 14.1: Properties of Gases (3)
    • 14.2: The Gas Laws (3)
    • 14.3: Ideal Gases (3)
    • 14.4: Gases: Mixtures and Movements (1)
    • 14: Understand Concepts (4)
    • 14: Think Critically (2)
    • 14: Enrichment
    • 14: Write About Science
    • 14: Cumulative Review (3)
    • 14: Standardized Test Prep
    • 14: Extra Problems (4)
    • 14: Sample Problems
    • 14: WebAssign Answer Entry Tutorials

  • Chapter 15: Water and Aqueous Systems
    • 15.1: Water and Its Properties (4)
    • 15.2: Homogeneous Aqueous Systems (4)
    • 15.3: Heterogeneous Aqueous Systems
    • 15: Understand Concepts (4)
    • 15: Think Critically
    • 15: Enrichment
    • 15: Write About Science
    • 15: Cumulative Review (3)
    • 15: Standardized Test Prep (3)
    • 15: Extra Problems (1)
    • 15: Sample Problems
    • 15: WebAssign Answer Entry Tutorials

  • Chapter 16: Solutions
    • 16.1: Properties of Solutions (4)
    • 16.2: Concentrations of Solutions (4)
    • 16.3: Colligative Properties of Solutions
    • 16.4: Calculations Involving Colligative Properties (1)
    • 16: Understand Concepts (3)
    • 16: Think Critically (1)
    • 16: Enrichment (1)
    • 16: Write About Science
    • 16: Cumulative Review (1)
    • 16: Standardized Test Prep
    • 16: Extra Problems (3)
    • 16: Sample Problems
    • 16: WebAssign Answer Entry Tutorials

  • Chapter 17: Thermochemistry
    • 17.1: The Flow of Energy (3)
    • 17.2: Measuring and Expressing Enthalpy Changes (2)
    • 17.3: Heat in Changes of State
    • 17.4: Calculating Heats of Reaction (3)
    • 17: Understand Concepts (3)
    • 17: Think Critically
    • 17: Enrichment (1)
    • 17: Write About Science
    • 17: Cumulative Review (2)
    • 17: Standardized Test Prep
    • 17: Extra Problems (5)
    • 17: Sample Problems (1)
    • 17: WebAssign Answer Entry Tutorials

  • Chapter 18: Reaction Rates and Equilibrium
    • 18.1: Rates of Reaction (4)
    • 18.2: The Progress of Chemical Reactions (1)
    • 18.3: Reversible Reactions and Equilibrium
    • 18.4: Solubility Equilibrium (2)
    • 18.5: Free Energy and Entropy (4)
    • 18: Understand Concepts (3)
    • 18: Think Critically
    • 18: Enrichment (2)
    • 18: Write About Science
    • 18: Cumulative Review (1)
    • 18: Standardized Test Prep
    • 18: Extra Problems (4)
    • 18: Sample Problems
    • 18: WebAssign Answer Entry Tutorials

  • Chapter 19: Acids, Bases, and Salts
    • 19.1: Acid-Base Theories (3)
    • 19.2: Hydrogen Ions and Acidity (3)
    • 19.3: Strengths of Acids and Bases (1)
    • 19.4: Neutralization Reactions (2)
    • 19.5: Salts in Solution (3)
    • 19: Understand Concepts (2)
    • 19: Think Critically (1)
    • 19: Enrichment (2)
    • 19: Write About Science
    • 19: Cumulative Review (1)
    • 19: Standardized Test Prep (7)
    • 19: Extra Problems (15)
    • 19: Sample Problems
    • 19: WebAssign Answer Entry Tutorials

  • Chapter 20: Oxidation-Reduction Reactions
    • 20.1: The Meaning of Oxidation and Reduction (3)
    • 20.2: Oxidation Numbers
    • 20.3: Describing Redox Equations (2)
    • 20: Understand Concepts (2)
    • 20: Think Critically (2)
    • 20: Enrichment
    • 20: Write About Science
    • 20: Cumulative Review (2)
    • 20: Standardized Test Prep (2)
    • 20: Extra Problems (4)
    • 20: Sample Problems
    • 20: WebAssign Answer Entry Tutorials

  • Chapter 21: Electrochemistry
    • 21.1: Electrochemical Cells (7)
    • 21.2: Half-Cells and Cell Potentials (6)
    • 21.3: Electrolytic Cells (2)
    • 21: Understand Concepts (1)
    • 21: Think Critically
    • 21: Enrichment
    • 21: Write About Science
    • 21: Cumulative Review (1)
    • 21: Standardized Test Prep (1)
    • 21: Extra Problems (3)
    • 21: Sample Problems
    • 21: WebAssign Answer Entry Tutorials

  • Chapter 22: Hydrocarbon Compounds
    • 22.1: Hydrocarbons (4)
    • 22.2: Unsaturated Hydrocarbons (1)
    • 22.3: Isomers (3)
    • 22.4: Hydrocarbon Rings (2)
    • 22.5: Hydrocarbons from Earth's Crust (1)
    • 22: Understand Concepts (1)
    • 22: Think Critically (1)
    • 22: Enrichment
    • 22: Write About Science
    • 22: Cumulative Review
    • 22: Standardized Test Prep (4)
    • 22: Extra Problems (2)
    • 22: Sample Problems
    • 22: WebAssign Answer Entry Tutorials

  • Chapter 23: Functional Groups
    • 23.1: Introduction to Functional Groups (2)
    • 23.2: Alcohols, Ethers, and Amines (2)
    • 23.3: Carbonyl Compounds (1)
    • 23.4: Polymers
    • 23: Understand Concepts (6)
    • 23: Think Critically (1)
    • 23: Enrichment
    • 23: Write About Science
    • 23: Cumulative Review (3)
    • 23: Standardized Test Prep (3)
    • 23: Extra Problems (6)
    • 23: Sample Problems
    • 23: WebAssign Answer Entry Tutorials

  • Chapter 24: The Chemistry of Life
    • 24.1: A Basis for Life (1)
    • 24.2: Carbohydrates (5)
    • 24.3: Amino Acids and Their Polymers (5)
    • 24.4: Lipids (1)
    • 24.5: Nucleic Acids
    • 24.6: Metabolism
    • 24: Understand Concepts (1)
    • 24: Think Critically
    • 24: Enrichment
    • 24: Write About Science
    • 24: Cumulative Review (1)
    • 24: Standardized Test Prep
    • 24: Extra Problems (6)
    • 24: Sample Problems
    • 24: WebAssign Answer Entry Tutorials

  • Chapter 25: Nuclear Chemistry
    • 25.1: Nuclear Radiation (3)
    • 25.2: Nuclear Transformations (1)
    • 25.3: Fission and Fusion (1)
    • 25.4: Radiation in Your Life (2)
    • 25: Understand Concepts (2)
    • 25: Think Critically (2)
    • 25: Enrichment (2)
    • 25: Write About Science
    • 25: Cumulative Review (4)
    • 25: Standardized Test Prep (3)
    • 25: Extra Problems (1)
    • 25: Sample Problems
    • 25: WebAssign Answer Entry Tutorials

Questions Available within WebAssign

Most questions from this textbook are available in WebAssign. The online questions are identical to the textbook questions except for minor wording changes necessary for Web use. Whenever possible, variables, numbers, or words have been randomized so that each student receives a unique version of the question. This list is updated nightly.

Question Group Key
SP - Sample Problems
UC - Understanding Concepts
TC - Think Critically
E - Enrichment
CR - Cumulative Review
STP - Standardized Test Prep


Question Availability Color Key
BLACK questions are available now
GRAY questions are under development


Group Quantity Questions
Chapter 1: Introduction to Chemistry
1.STP 7 001 004 008 009 010 011 012
1.TC 2 070 073
1.XP 11 001 002 003 004 005 006 007 008 009 010 011
1.1 1 004
1.4 1 053
Chapter 2: Matter and Change
2.E 1 089
2.STP 3 011 012 014
2.TC 2 085 086
2.UC 1 080
2.XP 6 001 002 003 004 005 006
2.1 1 043
2.2 3 048 049 050
2.3 6 023 027 028 052 055 058
2.4 1 036
Chapter 3: Scientific Measurement
3.E 2 103 108
3.SP 3 004 009 020
3.STP 5 004 005 007 011 012
3.T 1 001
3.TC 4 096 097 098 102
3.UC 4 081 084 090 093
3.XP 16 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016
3.1 3 016 056 059
3.2 3 026 062 066
3.3 4 071 072 074 076
Chapter 4: Atomic Structure
4.CR 2 085 088
4.STP 4 004 006 007 008
4.TC 1 076
4.UC 5 054 057 061 064 066
4.1 1 037
4.2 1 040
4.3 3 047 048 050
Chapter 5: Electrons in Atoms
5.CR 2 093 094
5.E 1 082
5.STP 2 005 009
5.T 1 001
5.UC 3 059 060 066
5.XP 2 001 002
5.1 1 029
5.2 3 037 042 043
5.3 2 048 052
Chapter 6: The Periodic Table
6.STP 3 001 003 011
6.TC 2 064 066
6.UC 7 049 050 052 053 054 056 057
6.XP 1 001
6.2 2 012 033
6.3 6 039 040 041 042 043 045
Chapter 7: Ionic and Metallic Bonding
7.STP 4 002 004 008 012
7.UC 4 054 057 067 072
7.1 4 028 030 031 035
7.2 3 039 040 045
7.3 1 051
Chapter 8: Covalent Bonding
8.STP 3 002 005 009
8.T 2 001 002
8.UC 1 075
8.XP 7 001 002 003 004 005 006 007
8.2 4 045 053 055 058
8.3 1 060
8.4 2 065 068
Chapter 9: Chemical Names and Formulas
9.SP 1 002
9.STP 3 002 004 006
9.TC 2 092 094
9.UC 1 081
9.XP 2 001 002
9.1 2 007 059
9.2 4 062 064 066 068
9.3 2 069 070
Chapter 10: Chemical Quantities
10.CR 3 115 121 127
10.STP 1 001
10.TC 3 097 098 099
10.UC 1 081
10.XP 4 001 002 003 004
10.1 9 050 051 052 055 056 057 058 059 060
10.2 1 065
Chapter 11: Chemical Reactions
11.STP 1 002
11.UC 1 053
11.XP 14 001 002 003 004 005 006 007 008 009 010 011 012 013 014
11.1 2 034 037
11.2 2 043 044
11.3 1 045
Chapter 12: Stoichiometry
12.CR 4 099 100 103 104
12.TC 3 070 071 076
12.UC 5 056 057 059 061 062
12.XP 5 001 002 003 004 005
12.1 1 039
12.2 6 043 045 046 047 048 050
12.3 3 051 052 054
Chapter 13: States of Matter
13.CR 4 092 094 096 100
13.E 1 078
13.STP 2 001 005
13.TC 1 069
13.XP 8 001 002 003 004 005 006 007 008
13.1 5 031 034 035 036 040
13.2 1 014
13.3 1 051
13.4 1 054
Chapter 14: The Behavior of Gases
14.CR 3 114 115 118
14.TC 2 091 092
14.UC 4 078 080 082 087
14.XP 4 001 002 003 004
14.1 3 047 048 050
14.2 3 054 059 060
14.3 3 063 064 067
14.4 1 072
Chapter 15: Water and Aqueous Systems
15.CR 3 108 109 111
15.STP 3 001 002 003
15.UC 4 062 070 071 078
15.XP 1 001
15.1 4 024 025 029 034
15.2 4 036 040 041 047
Chapter 16: Solutions
16.CR 1 124
16.E 1 101
16.TC 1 088
16.UC 3 079 083 086
16.XP 3 001 002 003
16.1 4 048 050 053 054
16.2 4 057 060 061 063
16.4 1 069
Chapter 17: Thermochemistry
17.CR 2 113 117
17.E 1 095
17.SP 1 024
17.UC 3 070 076 078
17.XP 5 001 002 003 004 005
17.1 3 044 049 051
17.2 2 055 056
17.4 3 065 067 068
Chapter 18: Reaction Rates and Equilibrium
18.CR 1 115
18.E 2 108 109
18.UC 3 081 088 094
18.XP 4 001 002 003 004
18.1 4 054 055 056 058
18.2 1 013
18.4 2 071 072
18.5 4 076 077 078 080
Chapter 19: Acids, Bases, and Salts
19.CR 1 138
19.E 2 109 111
19.STP 7 003 006 007 008 009 010 011
19.TC 1 101
19.UC 2 080 088
19.XP 15 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015
19.1 3 053 054 055
19.2 3 060 063 065
19.3 1 067
19.4 2 070 072
19.5 3 074 076 078
Chapter 20: Oxidation-Reduction Reactions
20.CR 2 098 100
20.STP 2 001 008
20.TC 2 062 065
20.UC 2 050 052
20.XP 4 001 002 003 004
20.1 3 032 034 038
20.3 2 044 045
Chapter 21: Electrochemistry
21.CR 1 101
21.STP 1 001
21.UC 1 071
21.XP 3 001 002 003
21.1 7 028 029 031 032 035 037 038
21.2 6 039 041 042 043 044 045
21.3 2 046 053
Chapter 22: Hydrocarbon Compounds
22.STP 4 009 010 011 012
22.TC 1 073
22.UC 1 059
22.XP 2 001 002
22.1 4 041 042 043 045
22.2 1 046
22.3 3 048 051 052
22.4 2 054 055
22.5 1 058
Chapter 23: Functional Groups
23.CR 3 078 080 084
23.STP 3 003 006 008
23.TC 1 059
23.UC 6 047 048 050 053 054 055
23.XP 6 001 002 003 004 005 006
23.1 2 034 036
23.2 2 038 040
23.3 1 042
Chapter 24: The Chemistry of Life
24.CR 1 122
24.UC 1 089
24.XP 6 001 002 003 004 005 006
24.1 1 042
24.2 5 045 046 047 048 049
24.3 5 051 052 053 055 056
24.4 1 057
Chapter 25: Nuclear Chemistry
25.CR 4 103 105 106 107
25.E 2 090 091
25.STP 3 003 008 016
25.TC 2 072 078
25.UC 2 058 061
25.XP 1 001
25.1 3 035 039 041
25.2 1 047
25.3 1 050
25.4 2 032 053
Total 556