CHEM 120
Final Exam Study Guide 2026 | Chamberlain
University | Practice Questions, Answers & Detailed
Rationales
FEATURES
✓ CHEM 120 Final Exam Study Guide 2026
✓ Chamberlain University Exam Preparation
✓ Practice Questions & Correct Answers
✓ Detailed Rationales & Explanations
, CHEM 120 Final Exam Study Guide 2026 |
Chamberlain University | Practice Questions,
Answers & Detailed Rationales
1. Chemistry is best defined as:
A) The study of energy transfer
B) The science that studies how matter behaves by studying atoms and
molecules
C) The study of chemical reactions only
D) The science of measurement
Answer: B
Rationale: Chemistry focuses on matter and how atoms/molecules
behave.
2. The scientific method is:
A) A fixed set of steps that never changes
B) A way of learning that emphasizes observation and experimentation
and is self-correcting
C) Only used in physics
D) A theory that cannot be tested
Answer: B
,Rationale: The scientific method relies on observation,
experimentation, and self-correction.
3. An observation is:
A) A final explanation
B) A tentative interpretation
C) Measuring or observing some aspect of nature
D) A mathematical law
Answer: C
Rationale: Observations are direct measurements or descriptions of
nature.
4. A hypothesis is:
A) A proven law
B) A tentative interpretation of an observation
C) A large set of data
D) A final theory
Answer: B
Rationale: A hypothesis is a testable, tentative explanation.
5. A scientific law:
A) Explains why something happens
B) Summarizes a large number of observations
C) Is always a guess
, D) Cannot be expressed mathematically
Answer: B
Rationale: Laws summarize observed patterns.
6. A scientific theory:
A) Is a guess
B) Summarizes observations only
C) Is a model that explains observations and gives underlying causes
D) Is never revised
Answer: C
Rationale: Theories explain observations and provide causes.
7. Imprecise means:
A) Measured with numbers
B) Quick and easy, such as color
C) Always wrong
D) Exact
Answer: B
Rationale: Imprecise observations are not finely measured.
8. Precise means:
A) Quick and easy
B) Measuring and proving with numbers
C) Only qualitative
Final Exam Study Guide 2026 | Chamberlain
University | Practice Questions, Answers & Detailed
Rationales
FEATURES
✓ CHEM 120 Final Exam Study Guide 2026
✓ Chamberlain University Exam Preparation
✓ Practice Questions & Correct Answers
✓ Detailed Rationales & Explanations
, CHEM 120 Final Exam Study Guide 2026 |
Chamberlain University | Practice Questions,
Answers & Detailed Rationales
1. Chemistry is best defined as:
A) The study of energy transfer
B) The science that studies how matter behaves by studying atoms and
molecules
C) The study of chemical reactions only
D) The science of measurement
Answer: B
Rationale: Chemistry focuses on matter and how atoms/molecules
behave.
2. The scientific method is:
A) A fixed set of steps that never changes
B) A way of learning that emphasizes observation and experimentation
and is self-correcting
C) Only used in physics
D) A theory that cannot be tested
Answer: B
,Rationale: The scientific method relies on observation,
experimentation, and self-correction.
3. An observation is:
A) A final explanation
B) A tentative interpretation
C) Measuring or observing some aspect of nature
D) A mathematical law
Answer: C
Rationale: Observations are direct measurements or descriptions of
nature.
4. A hypothesis is:
A) A proven law
B) A tentative interpretation of an observation
C) A large set of data
D) A final theory
Answer: B
Rationale: A hypothesis is a testable, tentative explanation.
5. A scientific law:
A) Explains why something happens
B) Summarizes a large number of observations
C) Is always a guess
, D) Cannot be expressed mathematically
Answer: B
Rationale: Laws summarize observed patterns.
6. A scientific theory:
A) Is a guess
B) Summarizes observations only
C) Is a model that explains observations and gives underlying causes
D) Is never revised
Answer: C
Rationale: Theories explain observations and provide causes.
7. Imprecise means:
A) Measured with numbers
B) Quick and easy, such as color
C) Always wrong
D) Exact
Answer: B
Rationale: Imprecise observations are not finely measured.
8. Precise means:
A) Quick and easy
B) Measuring and proving with numbers
C) Only qualitative
