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Test Bank for Chemistry 8th Edition

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Test Bank for Chemistry 8th Edition Chemistry, 8e (Robinson/McMurry/Fay) Chapter 1 Chemical Tools: Experimentation and Measurement 1.1 Multiple-Choice Questions 1) A consistent explanation of known observations is called A) an experiment. B) a hypothesis. C) a prediction. D) a theory. An...

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Test Bank for Chemistry 8th Edition Robinson

1

,Chemistry, 8e (Robinson/McMurry/Fay)
Chapter 1
Chemical Tools: Experimentation and Measurement

1.1 Multiple-Choice Questions

1) A consistent explanation of known observations is called
A) an experiment.
B) a hypothesis.
C) a prediction.
D) a theory.
Answer: D
Diff: 1 Var: 1
Topic: Section 1.1 The Scientific Method: Nanoparticle Catalysts For Fuel Cells
Learning Obj: LO 1.1 Identify the steps in the scientific method.
Global Obj: G1 Demonstrate an understanding of the principles of scientific inquiry.

2) An interpretation of the results of many tests is called
A) an experiment.
B) a hypothesis.
C) a prediction.
D) a theory.
Answer: B
Diff: 1 Var: 1
Topic: Section 1.1 The Scientific Method: Nanoparticle Catalysts For Fuel Cells
Learning Obj: LO 1.1 Identify the steps in the scientific method.
Global Obj: G1 Demonstrate an understanding of the principles of scientific inquiry.

3) Which of the following is an example of a qualitative measurement?
A) blue crystal
B) 10 g of salt
C) 2 moles of carbon atoms
D) 12 dL of water
Answer: A
Diff: 2 Var: 1
Topic: Section 1.1 The Scientific Method: Nanoparticle Catalysts For Fuel Cells
Learning Obj: LO 1.2 Differentiate between a qualitative and quantitative measurement.
Global Obj: G1 Demonstrate an understanding of the principles of scientific inquiry.

4) What symbol is used to express the factor, 10 -6?
A) M
B) m
C) μ
D) n
Answer: C
Diff: 1 Var: 1
Topic: Section 1.2 Measurements: SI Units and Scientific Notation
Learning Obj: LO 1.3 Write numbers in scientific notation and use prefixes for multiples of SI units.
Global Obj: G1 Demonstrate an understanding of the principles of scientific inquiry.
2

,5) What symbol is used to represent the factor 10-3?
A) M
B) m
C) μ
D) n
Answer: B
Diff: 1 Var: 1
Topic: Section 1.2 Measurements: SI Units and Scientific Notation
Learning Obj: LO 1.3 Write numbers in scientific notation and use prefixes for multiples of SI units.
Global Obj: G1 Demonstrate an understanding of the principles of scientific inquiry.

6) The factor 0.01 corresponds to which prefix?
A) deka
B) deci
C) centi
D) milli
Answer: C
Diff: 1 Var: 1
Topic: Section 1.2 Measurements: SI Units and Scientific Notation
Learning Obj: LO 1.3 Write numbers in scientific notation and use prefixes for multiples of SI units.
Global Obj: G1 Demonstrate an understanding of the principles of scientific inquiry.

7) The factor 10-2 corresponds to which prefix?
A) deka
B) deci
C) centi
D) milli
Answer: C
Diff: 1 Var: 1
Topic: Section 1.2 Measurements: SI Units and Scientific Notation
Learning Obj: LO 1.3 Write numbers in scientific notation and use prefixes for multiples of SI units.
Global Obj: G1 Demonstrate an understanding of the principles of scientific inquiry.

8) A sailor circumnavigated the earth and covered 4,264,000 meters. Express this number in standard
scientific notation.
A) 4.264 × 10-7 m
B) 4.264 × 10-6 m
C) 4.264 × 106 m
D) 4.264 × 107 m
Answer: C
Diff: 1 Var: 1
Topic: Section 1.2 Measurements: SI Units and Scientific Notation
Learning Obj: LO 1.3 Write numbers in scientific notation and use prefixes for multiples of SI units.
Global Obj: G4 Demonstrate the quantitative skills needed to succeed in chemistry and G5 Demonstrate an
understanding of the impact of science on society.

3

, 9) Without using a calculator, solve the following problem:

A) 1 × 10-6
B) 1 × 104
C) 1 × 1024
D) 1 × 1034
Answer: C
Diff: 2 Var: 1
Topic: Section 1.2 Measurements: SI Units and Scientific Notation
Learning Obj: LO 1.3 Write numbers in scientific notation and use prefixes for multiples of SI units.
Global Obj: G4 Demonstrate the quantitative skills needed to succeed in chemistry.

10) Without using a calculator, solve the following problem:

A) 1 × 100
B) 1 × 10-3
C) 1 × 10-9
D) 1 × 10-12
Answer: C
Diff: 2 Var: 1
Topic: Section 1.2 Measurements: SI Units and Scientific Notation
Learning Obj: LO 1.3 Write numbers in scientific notation and use prefixes for multiples of SI units.
Global Obj: G4 Demonstrate the quantitative skills needed to succeed in chemistry.

11) An astronaut uses a laboratory balance and weighs an object on earth and again on the moon. Which
statement below about the weight and mass of the object is true?
A) The mass and weight will be identical on the earth and the moon.
B) The mass will be the same on earth and moon but the weight will be less on the moon.
C) The weight will be the same on earth and moon but the mass will be less on the moon.
D) Both the mass and weight will be different on earth and moon.
Answer: B
Diff: 1 Var: 1
Topic: Section 1.3 Mass and Its Measurement
Learning Obj: LO 1.4 Convert between different prefixes used in mass measurements.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills and G5 Demonstrate an
understanding of the impact of science on society.

4

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