Chapter 1 - Matter, Measurements, and Calculations

Chapter 1 - Matter, Measurements, and Calculations Copyright Cengage Learning. Powered by Cognero. Page 1 1.The mass of an object is

• the force between the object and the earth.
• a measure of the amount of matter in the object.
• the amount of space the object occupies.
• depends on the location of the object on the earth.

ANSWER: b

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO2.1.2 - Define Matter.

KEYWORDS: Chemistry

2.Any two objects are attracted to each other by _____.

• gravity b. electrostatic forces
• magnetismd. all of them

ANSWER: a

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO2.1.2 - Define Matter.

KEYWORDS: Chemistry

3.How is the weight of an object influenced when the gravitational force on the object is increased?

• it decreases b. it increases
• it is unchangedd. it equals the mass

ANSWER: b

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO2.1.2 - Define Matter.

KEYWORDS: Chemistry

4.The weight of an object is

• a measure of the gravitational force pulling the object toward the earth.
• equal to the mass of the matter in the object.
• a measure of the space occupied by the object.
• the same at any location on the earth.

ANSWER: a

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO2.1.2 - Define Matter.

KEYWORDS: Chemistry

5.The fact that gold does not corrode is a ______ property

• physicalb. personalc. reald. chemical

ANSWER: d

POINTS: 1

QUESTION TYPE: Multiple Choice

Chemistry for Today General, Organic, and Biochemistry, 10e Spencer Seager, Michael Slabaugh, Maren Hansen (Test Bank, All Chapters 100% Original Verified, A+ Grade) 1 / 4

Chapter 1 - Matter, Measurements, and Calculations Copyright Cengage Learning. Powered by Cognero. Page 2 LEARNING OBJECTIVES: GOBC LO2.1.3 - Differentiate between physical and chemical properties of matter.

KEYWORDS: Chemistry

6.Which of the following represents a physical change in matter?

• A substance solidifies at 443 K.
• A substance produces a gas and a solid when heated.
• A substance burns when heated.
• A substance changes color when exposed to air.

ANSWER: a

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO2.1.4 - Differentiate between physical and chemical changes in matter.

KEYWORDS: Chemistry

7.The melting of ice to liquid water is correctly classified as

• a chemical change.
• a physical change.
• both a chemical and a physical change.
• neither a chemical nor physical change.

ANSWER: b

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO2.1.4 - Differentiate between physical and chemical changes in matter.

KEYWORDS: Chemistry

8.Which of the following is a physical property of matter?

• it does not burn
• produces a gas when placed in an acid
• freezes at −10°F
• the surface turns black in air

ANSWER: c

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO2.1.3 - Differentiate between physical and chemical properties of matter.

KEYWORDS: Chemistry

9.Which of the following is a chemical property of matter?

• color b. density
• freezing pointd. flammability

ANSWER: d

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO2.1.3 - Differentiate between physical and chemical properties of matter.

KEYWORDS: Chemistry 2 / 4

Chapter 1 - Matter, Measurements, and Calculations Copyright Cengage Learning. Powered by Cognero. Page 3 10.As two clear liquid solutions are thoroughly mixed, a red solid forms. This change is most likely _____.

• physical.b. chemical.
• neither chemical nor physical.d. both chemical and physical.

ANSWER: b

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO2.1.4 - Differentiate between physical and chemical changes in matter.

KEYWORDS: Chemistry

11.The limit of chemical subdivision of an element is the _____.

• atomb. moleculec. protond. compound

ANSWER: a

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO3.2.1 - Describe Democritus' original idea of an atom.

KEYWORDS: Chemistry

12.Which of the following substances are composed of heteroatomic molecules?

• an iron nailb. oxygenc. copper wired. water

ANSWER: d

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO3.1.2 - Differentiate between compounds, molecules, and elements.

KEYWORDS: Chemistry

13.A molecule represented by O-O-O must be classified as

• homoatomic and polyatomic.b. homoatomic and monoatomic.
• heteroatomic and polyatomic.d. heteroatomic and monoatomic.

ANSWER: a

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO3.1.2 - Differentiate between compounds, molecules, and elements.

KEYWORDS: Chemistry

14.Which of the following terms correctly applies to a molecule of CO2?

• triatomic, heteroatomicb. polyatomic, diatomic
• triatomic, homoatomic d. diatomic, heteroatomic

ANSWER: a

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO3.1.2 - Differentiate between compounds, molecules, and elements.

KEYWORDS: Chemistry

15.Table salt, NaCl is best classified as a(n) _____ .

• compound b. element 3 / 4

Chapter 1 - Matter, Measurements, and Calculations

Copyright Cengage Learning. Powered by Cognero. Page 4

• homogeneous mixture d. heterogeneous mixture

ANSWER: a

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO3.1.5 - Classify matter as a compound, element, heterogenous mixture, or homogenous mixture.

KEYWORDS: Chemistry

• The limit of physical subdivision of pure H2O is _____ .
• the atom b. the molecule c. the element d. a proton

ANSWER: b

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO3.2.2 - Explain Dalton's theory of the atom.

KEYWORDS: Chemistry

• Homoatomic pure substances are known as _____ .
• protons b. elements c. compound d. molecules

ANSWER: b

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO3.1.5 - Classify matter as a compound, element, heterogenous mixture, or homogenous mixture.

KEYWORDS: Chemistry

• After heating, a pure substance, A, is found to produce both B and C. What can be said about the substance A?
• It is an element b. It is a compound
• It is either an element or compound d. Impossible to predict

ANSWER: b

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO3.1.5 - Classify matter as a compound, element, heterogenous mixture, or homogenous mixture.

KEYWORDS: Chemistry

• Two pure substances A and B react to form a new pure substance C. From this, we may conclude that
• A and B are both elements
• C is a compound, A and B may or may not be elements
• C is an element, A and B are compounds
• A, B, and C are all compounds

ANSWER: b

POINTS: 1

QUESTION TYPE: Multiple Choice

LEARNING OBJECTIVES: GOBC LO3.1.5 - Classify matter as a compound, element, heterogenous mixture, or homogenous mixture.

• / 4