Type:
Test Bank
Resource:
General Chemistry Atoms First Plus MasteringChemistry
Edition:
2nd Edition
Author(s):
John E. McMurry
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 0 Chemical Tools: Experimentation and Measurement 0.1 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 Topic: Section 0.1 Experiment→Hypothesis→Theory: Approaching Chemistry 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 Topic: Section 0.1 Experiment→Hypothesis→Theory: Approaching Chemistry 3) The fundamental SI unit of mass is the A) centigram. B) gram. C) kilogram. D) milligram. Answer: C Diff: 1 Topic: Section 0.2 Experimentation and Measurement in Chemistry 4) Which of the following is a fundamental SI Unit? A) centimeter B) kilogram C) microsecond D) milliliter Answer: B Diff: 1 Topic: Section 0.2 Experimentation and Measurement in Chemistry
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5) All of the following are fundamental SI units except the A) gram. B) Kelvin. C) meter. D) second. Answer: A Diff: 1 Topic: Section 0.2 Experimentation and Measurement in Chemistry 6) What symbol is used to express the factor, 10-6? A) M B) m C) μ D) n Answer: C Diff: 1 Topic: Section 0.2 Experimentation and Measurement in Chemistry 7) What symbol is used to represent the factor 10-3? A) M B) m C) μ D) n Answer: B Diff: 1 Topic: Section 0.2 Experimentation and Measurement in Chemistry Algo. Option: algorithmic 8) What symbol is used to represent the factor 10-9? A) M B) m C) μ D) n Answer: D Diff: 1 Topic: Section 0.2 Experimentation and Measurement in Chemistry Algo. Option: algorithmic 9) The factor 0.01 corresponds to which prefix? A) deka B) deci C) centi D) milli Answer: C Diff: 1 Topic: Section 0.2 Experimentation and Measurement in Chemistry Algo. Option: algorithmic 2 .
10) The factor 10-2 corresponds to which prefix? A) deka B) deci C) centi D) milli Answer: C Diff: 1 Topic: Section 0.2 Experimentation and Measurement in Chemistry Algo. Option: algorithmic 11) Convert 5.100 × 10-3 to ordinary notation. A) 0.0005100 B) 0.005100 C) 510.0 D) 5100 Answer: B Diff: 1 Topic: Section 0.2 Experimentation and Measurement in Chemistry 12) Convert 0.003002 to standard scientific notation. A) 3.002 × 10-3 B) 3002 × 10-6 C) 3.002 × 103 D) 3002 × 106 Answer: A Diff: 1 Topic: Section 0.2 Experimentation and Measurement in Chemistry 13) 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 Topic: Section 0.2 Experimentation and Measurement in Chemistry
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14) Without using a calculator, solve the following problem:
[(1× 105 ) × (1× 10 2 )]2 (1× 10-10 ) A) 1 × 10-6 B) 1 × 104 C) 1 × 1024 D) 1 × 1034 Answer: C Diff: 2 Topic: Section 0.2 Experimentation and Measurement in Chemistry Algo. Option: algorithmic 15) Without using a calculator, solve the following problem:
[(1× 10-5 ) × (1× 10 2 )]2 (1× 103 ) A) 1 × 100 B) 1 × 10-3 C) 1 × 10-9 D) 1 × 10-12 Answer: C Diff: 2 Topic: Section 0.2 Experimentation and Measurement in Chemistry Algo. Option: algorithmic 16) 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 Topic: Section 0.3 Fundamental Units: Measuring Mass 17) When measuring a solid metal block at constant temperature, which measurement will change in numerical value depending on the location where it is taken? A) length B) mass C) volume D) weight Answer: D Diff: 1 Topic: Section 0.3 Fundamental Units: Measuring Mass 4 .