WHITTEN RAYMOND DAVIS LARRY PECK (2023)||ALL
CHATERS||VERIFIED
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,Chapter 1—The Foundations of Chemistry
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MULTIPLE CHOICE x
1. Which of the following statements is incorrect?
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a. A body in motion possesses kinetic energy because of its motion.
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b. An object possesses potential energy because of its position or composition.
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c. Nuclear energy is an important kind of potential energy. x x x x x x x x
d. Chemical reactions and physical changes that release energy to their surroundings are
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endothermic.
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e. The Law of Conservation of Matter and Energy states that the combined amount of matter
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and energy in the universe is fixed.
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ANS: D x
OBJ: Define the Laws of Conservation of matter and energy. | Define the terms endothermic and
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exothermic. | Classify energy as potential or kinetic.
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TOP: Matter and Energy x x x
2. A braking automobile converts kinetic energy into heat in the brake pads. This is an example of the:
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a. law of conservation of energy x x x x
b. law of constant composition x x x
c. law of conservation of matter x x x x
d. law of multiple proportions x x x
e. law of gravity x x
ANS: A x
OBJ: Apply the law of conservation of energy.
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TOP: Matter and Energy
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3. When magnesium is burned in air the mass of the product is heavier than the original mass of the
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magnesium. However, the product formed still has the same exact mass of magnesium with the
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remainder of the mass being oxygen. This is an example of:
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a. law of conservation of energy x x x x
b. law of definite proportions x x x
c. law of conservation of matter x x x x
d. law of multiple proportions x x x
e. law of gravity x x
ANS: C x
OBJ: Apply the law of conservation of energy.
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TOP: Matter and Energy
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4. Which of the following represents matter that could be described as macroscale?
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a. a bromine atomx x
b. molecules of water x x
c. bacteria observed under a microscope x x x x
d. a paperclip x
e. none of these x x
ANS: D x
OBJ: Classify a description of matter as atomic-, micro-, or macro-scale.
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TOP: Chemistry – A Molecular View of Matter
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Whitten 10e x Test Bank x 1
,5. Dalton's Atomic Theory included all of the ideas listed below except:
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a. Atoms cannot be created or destroyed.
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b. An element is composed of very small particles called protons, neutrons and electrons.
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c. All atoms of a given element have identical properties.
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d. All atoms of a given element have properties that differ from those of other elements.
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e. Compounds are formed when atoms of different elements combine with one another in
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small whole-number ratios.
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ANS: B x
OBJ: Identify the tenets of Dalton's atomic theory.
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TOP: Chemistry – A Molecular View of Matter
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6. Atoms consist of three fundamental particles. What are these particles and their charges?
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a. proton (+1), neutron (neutral) and electron (-1)
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b. proton (-1), neutron (+1) and electron (neutral)
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c. proton (+1), neutron (-1) and electron (neutral)
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d. proton (neutral), neutron (+1) and electron (-1)
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e. proton (-1), neutron (neutral) and electron (+1)
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ANS: A x
OBJ: Identify the three subatomic particles that make up an atom.
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TOP: Chemistry – A Molecular View of Matter
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7. One of the following does not describe gases. Which one is it?
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a. Expands infinitely. x
b. Rigid shape. x
c. Easily compressed. x
d. Relatively low densities. x x
e. Particles far apart. x x
ANS: B x
OBJ: Classify a gas.
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TOP: States of Matter
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8. One of the following does not describe solids. Which one is it?
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a. Particles in definite positions.
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b. Definite shape. x
c. Easily compressed. x
d. Relatively high densities. x x
e. Particles compact. x
ANS: C x
OBJ: Classify a solid.
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xTOP: States of Matter
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9. Which response lists characteristics of liquids?
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I. Volume does not vary much upon heating. x x x x x x
II. Shape is constant. x x
III. Easily compressed. x
IV. Fills the container completely.
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V. Flows.
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, a. I, III, IV, and V
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b. II, III, and V
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c. I
d. I, II, IV, and IV
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e. I and V
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ANS: E x
OBJ: Classify a liquid.
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TOP: States of Matter
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10. All of the following are properties of antimony. Which one is not a physical property?
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a. It is a solid at room temperature.
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b. It has both yellow and gray forms (allotropes) in the solid state.
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c. It burns in an atmosphere of chlorine.
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d. It is one of the few substances that expands upon freezing.
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e. The gray form melts at 631 C. x x x x x
ANS: C x
OBJ: Classify a property as physical or chemical.
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TOP: Chemical and Physical Properties
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11. The following properties describe zinc. Which one(s) is (are) chemical properties?
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I. It is bluish-white metal. x x x
II. It corrodes upon prolonged contact with moist air.
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III. Its density is 7.14 g/cm3. x x x x
IV. It melts at 419 C. x x x
V. It conducts electricity. x x
a. IV and V x x
b. IV
c. V
d. II, IV, and V
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e. II
ANS: E x
OBJ: Classify a property as physical or chemical.
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TOP: Chemical and Physical Properties
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12. All of the following are properties of oxygen. Which one is a physical property?
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a. It supports combustion.
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b. It condenses to a liquid at -219 C and atmospheric pressure.
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c. It causes iron to rust.
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d. It reacts with calcium to produce calcium oxide, CaO.
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e. All of these are physical properties.
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ANS: B x
OBJ: Classify a property as physical or chemical.
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TOP: Chemical and Physical Properties
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Whitten 10e x Test Bank
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