Terms of Use
WebAssign and Holt McDougal have partnered to provide instructors with WebAssign access to materials from Modern Chemistry 1999 authored by Holt - Davis and Metcalfe. Access is contingent on use of this textbook in the instructor's classroom. Textbook materials can be modified but cannot be used outside of normal WebAssign assignments.
Student Pricing
| Academic Term |
Homework |
| Semester |
$19.95 |
| Quarter |
$15.95 |
| High School |
$10.50 |
Table of Contents
- 1: Matter and Change (7)
- 2: Measurements and Calculations (29)
- 3: Atoms: The Building Blocks of Matter (18)
- 4: Arrangement of Electrons in Atoms (26)
- 5: The Periodic Law (4)
- 6: Chemical Bonding (5)
- 7: Chemical Formulas and Chemical Compounds (15)
- 8: Chemical Equations and Reactions (11)
- 9: Stoichiometry (8)
- 10: Physical Characteristics of Gases (6)
- 11: Molecular Composition of Gases (7)
- 12: Liquids and Solids (6)
- 13: Solutions (5)
- 14: Ions in Aqueous Solutions and Colligative Properties (6)
- 15: Acids and Bases
- 16: Acid-Base Titration and pH
- 17: Reaction Energy and Reaction Kinetics (10)
- 18: Chemical Equilibrium
- 19: Oxidation-Reduction Reactions (6)
- 20: Carbon and Hydrocarbons
- 21: Other Organic Compounds
- 22: Nuclear Chemistry
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
| RC |
Reviewing Concepts Question |
| P |
Problem |
| MR |
Mixed Review Question |
Question Availability Color Key
| BLACK questions are available now |
| BOLD ORANGE questions are under development |
|
Group
|
Quantity
|
Questions
|
|
Chapter 1: Matter and Change
|
| RC |
7 |
013
019
020
021
022
023
024
|
|
Chapter 2: Measurements and Calculations
|
| P |
18 |
026
027
028
029
030
031
032
033
034
035
036
037
038
039
040
041
043
045
|
| RC |
11 |
007
008
009
010
011
012
013
014
023
024
025
|
|
Chapter 3: Atoms: The Building Blocks of Matter
|
| P |
9 |
017
018
019
020
021
022
023
024
028
|
| RC |
9 |
006
007
009
010
011
013
014
015
016
|
|
Chapter 4: Arrangement of Electrons in Atoms
|
| RC |
26 |
001
003
006
007
011
017
022
023
024
025
026
027
029
030
031
032
034
035
036
037
039
041
042
043
044
045
|
|
Chapter 5: The Periodic Law
|
| MR |
2 |
039
047
|
| P |
2 |
024
036
|
|
Chapter 6: Chemical Bonding
|
| MR |
5 |
051
052
056
064
066
|
|
Chapter 7: Chemical Formulas and Chemical Compounds
|
| CR |
2 |
039
040
|
| MR |
5 |
040
041
042
045
046
|
| P |
8 |
027
032
033
034
036
037
038
039
|
|
Chapter 8: Chemical Equations and Reactions
|
| CR |
11 |
010
020
025
026
027
028
037
038
041
042
048
|
|
Chapter 9: Stoichiometry
|
| CR |
8 |
12
19
22
029
29
036
036alt
36
|
|
Chapter 10: Physical Characteristics of Gases
|
| P |
6 |
020
023
025
031
032
039
|
|
Chapter 11: Molecular Composition of Gases
|
| P |
7 |
010
011
016
023
024
027
031
|
|
Chapter 12: Liquids and Solids
|
| P |
5 |
019
020
028
033
036
|
| RC |
1 |
008
|
|
Chapter 13: Solutions
|
| P |
5 |
014
015
016
023
025
|
|
Chapter 14: Ions in Aqueous Solutions and Colligative Properties
|
| P |
4 |
013
017
018
019
|
| RC |
2 |
001
002
|
|
Chapter 15: Acids and Bases
|
| 15 |
0 |
|
|
Chapter 16: Acid-Base Titration and pH
|
| 16 |
0 |
|
|
Chapter 17: Reaction Energy and Reaction Kinetics
|
| CR |
6 |
016
018
025
031
032
037
|
| P |
4 |
16
24
25
26
|
|
Chapter 18: Chemical Equilibrium
|
| 18 |
0 |
|
|
Chapter 19: Oxidation-Reduction Reactions
|
| P |
3 |
012
013
015
|
| RC |
3 |
001
002
003
|
|
Chapter 20: Carbon and Hydrocarbons
|
| 20 |
0 |
|
|
Chapter 21: Other Organic Compounds
|
| 21 |
0 |
|
|
Chapter 22: Nuclear Chemistry
|
| 22 |
0 |
|
| Total |
169
|
|
