Chapter 02 - The Nature of Molecules and the Properties of Water
Chapter 02
The Nature of Molecules and the Properties of Water
Multiple Choice Questions
1. Matter is composed of:
A. molecules
B. mass
C. energy
D. atoms
Blooms Level: 1. Remember
Gradable: automatic
LO: 02.01.01 Define an element based on its composition.
Section: 02.01
Topic: The Nature of Atoms
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
Blooms Level: 1. Remember
Gradable: automatic
LO: 02.01.02 Describe how atomic structure produces chemical properties.
Section: 02.01
Topic: The Nature of Atoms
2-1
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Chapter 02 - The Nature of Molecules and the Properties of Water
3. The number of protons in a given atom is equal to its:
A. neutron number
B. mass
C. atomic number
D. molecular number
Blooms Level: 1. Remember
Gradable: automatic
LO: 02.01.02 Describe how atomic structure produces chemical properties.
Section: 02.01
Topic: The Nature of Atoms
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
Blooms Level: 1. Remember
Gradable: automatic
LO: 02.01.02 Describe how atomic structure produces chemical properties.
Section: 02.01
Topic: The Nature of Atoms
5. Atoms containing a specific number of protons are called:
A. molecules
B. minerals
C. metals
D. elements
Blooms Level: 1. Remember
Gradable: automatic
LO: 02.02.01 Relate atomic structure to the periodic table of the elements.
Section: 02.02
Topic: Elements Found in Living Systems
2-2
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Chapter 02 - The Nature of Molecules and the Properties of Water
6. Sugars dissolve well in water because of water's ______.
A. polarity
B. ionic bonds
C. hydrophobic exclusion
D. cohesiveness
Blooms Level: 2. Understand
Gradable: automatic
LO: 02.03.03 Contrast polar and nonpolar covalent bonds.
Section: 02.03
Topic: The Nature of Chemical Bonds
7. The negative logarithm of the hydrogen ion concentration in the solution is referred to as:
A. pH
B. atomic mass
C. -OH concentration
D. electronegativity
E. specific heat
Blooms Level: 1. Remember
Gradable: automatic
LO: 02.06.01 Define acids, bases, and the pH scale.
Section: 02.06
Topic: Acids and Bases
8. Bicarbonate ions in the blood can absorb hydrogen ions, keeping pH balanced. Bicarbonate
is acting as a ____ in blood.
A. acid
B. alkaline
C. buffer
D. base
Blooms Level: 2. Understand
Gradable: automatic
LO: 02.06.01 Define acids, bases, and the pH scale.
Section: 02.06
Topic: Acids and Bases
2-3
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McGraw-Hill Education.
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