,Biology, 12e (Raven)
Chapter 2 The Nature of Molecules and the Properties of Water
1) Matter is composed of:
A) atoms
B) energy
C) mass
D) molecules
Answer: A
Section: 02.01
Topic: The Nature of Atoms
Bloom's: 1. Remember
LO: 02.01.01 Define an element based on its composition.
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2) All atoms possess the ability to do work. The term that is defined as the ability to do work is:
A) matter
B) energy
C) molecules
D) space
Answer: B
Section: 02.01
Topic: The Nature of Atoms
Bloom's: 1. Remember
,LO: 02.01.02 Describe the relationship between atomic structure and chemical properties.
Accessibility: Keyboard Navigation
3) The number of protons in a given atom is equal to its:
A) atomic number
B) mass
C) neutron number
D) molecular number
Answer: A
Section: 02.01
Topic: The Nature of Atoms
Bloom's: 1. Remember
LO: 02.01.02 Describe the relationship between atomic structure and chemical properties.
Accessibility: Keyboard Navigation
, 4) Isotopes that are unstable and decay when their nucleus breaks up into elements with lower
atomic numbers, emitting significant amounts of energy in the process, are called:
A) energetic
B) ionic
C) radioactive
D) isometric
Answer: C
Section: 02.01
Topic: The Nature of Atoms
Bloom's: 1. Remember
LO: 02.01.02 Describe the relationship between atomic structure and chemical properties.
Accessibility: Keyboard Navigation
5) Atoms containing a specific number of protons are called:
A) minerals
B) elements
C) metals
D) molecules
Answer: B
Section: 02.02
Topic: Elements Found in Living Systems
Bloom's: 1. Remember
LO: 02.02.01 Relate atomic structure to the periodic table of the elements.
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6) Sugars dissolve well in water because of water's .
A) ionic bonds
B) cohesiveness
C) hydrophobic exclusion
D) polarity
Answer: D
Section: 02.03
Topic: The Nature of Chemical Bonds
Bloom's: 2. Understand
LO: 02.03.03 Contrast polar and nonpolar covalent bonds.
Accessibility: Keyboard Navigation
Chapter 2 The Nature of Molecules and the Properties of Water
1) Matter is composed of:
A) atoms
B) energy
C) mass
D) molecules
Answer: A
Section: 02.01
Topic: The Nature of Atoms
Bloom's: 1. Remember
LO: 02.01.01 Define an element based on its composition.
Accessibility: Keyboard Navigation
2) All atoms possess the ability to do work. The term that is defined as the ability to do work is:
A) matter
B) energy
C) molecules
D) space
Answer: B
Section: 02.01
Topic: The Nature of Atoms
Bloom's: 1. Remember
,LO: 02.01.02 Describe the relationship between atomic structure and chemical properties.
Accessibility: Keyboard Navigation
3) The number of protons in a given atom is equal to its:
A) atomic number
B) mass
C) neutron number
D) molecular number
Answer: A
Section: 02.01
Topic: The Nature of Atoms
Bloom's: 1. Remember
LO: 02.01.02 Describe the relationship between atomic structure and chemical properties.
Accessibility: Keyboard Navigation
, 4) Isotopes that are unstable and decay when their nucleus breaks up into elements with lower
atomic numbers, emitting significant amounts of energy in the process, are called:
A) energetic
B) ionic
C) radioactive
D) isometric
Answer: C
Section: 02.01
Topic: The Nature of Atoms
Bloom's: 1. Remember
LO: 02.01.02 Describe the relationship between atomic structure and chemical properties.
Accessibility: Keyboard Navigation
5) Atoms containing a specific number of protons are called:
A) minerals
B) elements
C) metals
D) molecules
Answer: B
Section: 02.02
Topic: Elements Found in Living Systems
Bloom's: 1. Remember
LO: 02.02.01 Relate atomic structure to the periodic table of the elements.
Accessibility: Keyboard Navigation
6) Sugars dissolve well in water because of water's .
A) ionic bonds
B) cohesiveness
C) hydrophobic exclusion
D) polarity
Answer: D
Section: 02.03
Topic: The Nature of Chemical Bonds
Bloom's: 2. Understand
LO: 02.03.03 Contrast polar and nonpolar covalent bonds.
Accessibility: Keyboard Navigation
