Introduction To Basic Chemistry, 7Th International Edition by Steven Zumdahl – Test Bank
Chapter 01 – Chemistry: An Introduction
1. Define the following terms:
a. science
b. chemistry
ANS:
a. Science – a framework for gaining and organizing knowledge. It is a procedure for processing and understanding certain information.
b. Chemistry – the science that deals with the matter of the universe and the changes it can undergo.
PTS: 1 DIF: easy TOP: general concepts | definition of chemistry
MSC: general chemistry
2. Define the following terms:
a. scientific method
b. natural law
c. hypothesis
d. theory
ANS:
a. Scientific method – the process or steps of scientific inquiry.
b. Natural law – a statement describing observed behavior.
c. Hypothesis – a possible explanation for an observation.
d. Theory – a set of tested hypotheses that gives an explanation for some behavior or observation (also called a model).
PTS: 1 DIF: easy TOP: general concepts | scientific method
KEY:hypothesis | theoryMSC:general chemistry
3. Which of the following is not a step in the scientific method?
|
a. |
Make an observation. |
|
b. |
Formulate a hypothesis. |
|
c. |
Perform an experiment. |
|
d. |
Change results to agree with your hypothesis. |
|
e. |
Develop a theory (or model). |
ANS:DPTS:1DIF:easy
TOP: general concepts | scientific method MSC: general chemistry
4. A __________ is a summary of observed behavior, and a __________ is an explanation of behavior.
|
a. |
law, measurement |
|
b. |
theory, scientific method |
|
c. |
theory, law |
|
d. |
law, theory |
|
e. |
hypothesis, theory |
ANS:DPTS:1DIF: easy
TOP: general concepts | scientific method KEY: theory | law
MSC: general chemistry
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