TEST BANK FOR Chemistry in Focus: A Molecular View of Our World 7th Edition by Nivaldo J. Tro ( All Chapters Covered) Latest Edition 2026

TEST BANK FOR
Chemistry in Focus: A Molecular View of Our World
by Nivaldo J. Tro


7th Edition

,Chapter 01 - Molecular Reasons


1. Which Of These Is The Best Definition Of Matter?
A. The Pull Of Gravity On An Object.
B. Anything That Has Weight And Volume.
C. Anything That Has Mass And Occupies Space.
D. Anything That Is Directly Proportional To Weight.
E. The Measure Of The Amount Of Space An Object Occupies.
ANSWER: C
POINTS: 1

2. Which Of These Statements Is Correct?
a. The Amount Of Carbon On Earth Is Essentially Constant.
b. The Amount Of Carbon On Earth Fluctuates With The Seasons.
c. The Amount Of Carbon On Earth Is Increasing Due To Plant And Animal Growth.
d. The Amount Of Carbon On Earth Is Decreasing Due To Consumption Of Carbon Based Fuels.
e. Both B And C Are Correct.
ANSWER: A
POINTS: 1

3. The French Chemist Antoine Lavoisier Found That The Weight Of Objects Before Burning And The Weight Of The
Products After Burning Were Equal. He Concluded That The Total Weight Did Not Change During A Process. Which
Of These Best Describes Lavoisier's Conclusion?
a. From Observation, Lavoisier Created A Scientific Law.
b. From Observation, Lavoisier Created A Scientific Theory.
c. From Scientific Law, Lavoisier Created A Scientific Theory.
d. From Experimentation, Lavoisier Created A Scientific Law.
e. From Observation, Lavoisier Created A Scientific Conclusion.
ANSWER: A
POINTS: 1

4. When Using The Scientific Method, Before Experiments Are Done A Should Be Established.
a. Hypothesis
b. Law
c. Theory
d. Conclusion
ANSWER: A
POINTS: 1

5. A Statement Which Summarizes The Data Obtained From A Series Of Observations Is Known As A(N) .
a. Observation
b. Law
c. Theory
d. Conclusion
e. Experiment

,ANSWER: B
POINTS: 1

, 6. Which Of These Is Not Part Of The Scientific Method?
a. Observation
b. Law
c. Theory
d. Conclusion
e. Experiment
ANSWER: D
POINTS: 1

7. Which Of These Is The Best Definition Of A Scientific Theory?
a. A Prediction Based On A Limited Number Of Observations.
b. A Method Of Explaining Observations That Appears Contradictory.
c. A Broadly Applicable Generalization With Virtually No Exceptions.
d. A Method For Approaching Problems That Is Used By All Scientists.
e. A Tentative Model That Describes The Underlying Cause Of A Physical Behavior.
ANSWER: E
POINTS: 1

8. Which Of These Is The Best Definition Of A Scientific Law?
a. A Prediction Based On A Limited Number Of Observations.
b. A Method Of Explaining Observations That Appear Contradictory.
c. A Broadly Applicable Generalization With Virtually No Exceptions.
d. A Method For Approaching Problems That Is Used By All Scientists.
e. A Rule Made By Scientists To Ensure Consistency In Their Observations.
ANSWER: C
POINTS: 1

9. A(N) Is An Explanation Of A Scientific Observation.
a. Law
b. Theory
c. Conclusion
d. Prediction
e. Epiphany
ANSWER: B
POINTS: 1

10. Which Of These Is Not A Requirement Of A Scientifically Acceptable Theory?
a. Good Predictive Power Of The Theory
b. Proven By Additional Experimentation
c. Sound Reasoning For A Particular Observation
d. Easily Revised To Accommodate New Observations
e. Provides Model Of Behavior Consistent With Other Widely Accepted Theories
ANSWER: B
POINTS: 1