This page contains the actual answers to in class quizzes and exams (when available) as well as several practice quizzes and exams to help you study the material.
In Class Quizzes and Exams:
Quizzes and exams which are due in class will be found in the Announcements section.
Answers to In Class Quizzes and Exams:
In class quiz and exam answers are usually posted by the Sunday following the due date.
- Quiz and Exam answers coming soon!
Sample Quizzes and Exams:
These quizzes and exams (which were used in previous CH 221 classes) will be similar to the actual quizzes and exams you will take in this class. Using these links will provide you with an idea as to what your quiz or exam will look like in CH 221 (and answers are provided.)
- Quiz 1 (Answers)
- Quiz 2 (Answers)
- Quiz 3 (Answers)
- Quiz 4 (Answers)
- Quiz 5 (Answers)
- Quiz 6 (Answers)
- Sample Exam 1 (Answers)
- Sample Exam II (Answers)
- Sample Final Exam (Answers)
Other Sample Quizzes and Exams:
These additional learning resources might be helpful as you learn the material in CH 221.
Other Sample Midterm Exams
Chapter One: Essential Ideas
- Introductory Material
- Sig Figs
- The Metric System
- Dimensional Analysis and Scientific Notation
- Dimensional Analysis Worksheet
- Significant Figures Quiz
- Chapter 1 Quiz
Chapter 2 Part 1: Atoms, Molecules and Ions
Chapter 2 Part 2: Atoms, Molecules and Ions
- Nomenclature Quiz I
- Nomenclature Quiz II
- Nomenclature Quiz III
- "Mass, moles, atoms" worksheet
- Polyatomic Flash Cards
- Chapter 2 Part 2 Quiz
Chapter 4 Part I: Stoichiometry of Chemical Reactions
- Chemical Reactions Worksheet I
- Chemical Reactions Worksheet II
- Chemical Reactions Worksheet III
- Limiting Reactant Example I
- Limiting Reactant Example II
- Chapter 4 Part I Quiz
Chapter 4 Part II: Stoichiometry of Chemical Reactions
Chapter 5: Thermochemistry
Chapter 6 Part I: Electronic Structure and Periodic Properties of Elements
Chapter 6 Part 2: Electronic Structure and Periodic Properties of Elements
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