Batmanian: Biochemistry for Health Professionals
Chapter 01: Elements and Compounds, Chemistry and Life
Test Bank
MULTIPLE CHOICE
1. Elements are defined by their number of:
a. Electrons
b. Neutrons
c. Protons
d. Bonds
e. Shape
ANS: C
2. The number of naturally occurring elements is:
a. 92
b. 105
c. 100
d. 85
e. 110
ANS: A
3. Isotopes of an element are defined by the number of:
a. Protons
b. Neutrons
c. Electrons
d. Position in the table of elements
e. Level of radioactivity
ANS: B
4. Electrons are located in:
a. Outer shells
b. The nucleus
c. Binding to protons
d. Binding to neutrons
e. Free energy states
ANS: A
5. Covalent bonds are formed when:
a. Nuclei collide
b. Valence electrons are shared
c. Electrons dissociate sharing
d. Electrons share equal charge
Copyright © ANZ 2012 by Mosby, Inc., an affiliate of Elsevier Inc.
, Test Bank 1-2
e. Valence is unequal
ANS: B
6. Ionic bonds are formed when:
a. Electron negativity is equal
b. Protons dissociate from the nucleus
c. Electronegativity is different
d. There is a neutral electrical charge
e. Two atoms of equal mass combine
ANS: C
7. Water molecules are strongly bonded because they have:
a. Ionic bonds
b. Hydrogen bonds
c. Van der Waals interactions
d. Covalent bonds
e. Poor valence
ANS: D
8. A Dalton is a measure of:
a. Distance
b. Electron mass
c. Positively charged particles
d. Atomic mass
e. Body composition
ANS: D
9. Atomic number informs on:
a. Type of element
b. Number of protons
c. Number of neutrons
d. Weight of the atom
e. Stability of the atom
ANS: B
10. All molecules have:
a. Distinct three-dimensional shapes
b. Distinct two-dimensional shapes
c. Only two bonded dissimilar atoms
d. Only covalent bonds
e. Potential for binding water via free electrons
ANS: A
Copyright © ANZ 2012 by Mosby, Inc., an affiliate of Elsevier Inc.
, Test Bank 1-3
ESSAY
1. The major four elements ____________, ____________, ____________, ____________, make
up approximately ____________ of the human body.
ANS: carbon, hydrogen, oxygen, nitrogen, 96%<br>
carbon, oxygen, hydrogen, nitrogen, 96%<br>
carbon, nitrogen, oxygen, hydrogen, 96%<br>
nitrogen, carbon, oxygen, hydrogen, 96%<br>
nitrogen, oxygen, carbon, hydrogen, 96%<br>
nitrogen, hydrogen, oxygen, carbon, 96%<br>
oxygen, hydrogen, nitrogen, carbon, 96%<br>
oxygen, nitrogen, hydrogen, carbon, 96%<br>
oxygen, carbon, hydrogen, nitrogen, 96%<br>
hydrogen, carbon, oxygen, nitrogen, 96%<br>
hydrogen, carbon, nitrogen, oxygen, 96%<br>
hydrogen, oxygen, carbon, nitrogen, 96%
COMPLETION
1. The ____________ of an element allows the determination of the number of
____________ in the nucleus.
ANS: atomic number, protons
2. Electrons associated with an atom have ____________ amounts of energy.
ANS: negative
3. When electrons absorb energy they can move from ____________ to another and become
____________.
ANS: one energy level, excited
4. An anion is a ____________ charged ion and will be attracted to a ____________ cation
ion to form an ____________.
ANS: negatively, cation, ionic bond
TRUE/FALSE
1. All atoms of a given element have the same number of protons but the number of
neutrons can vary.
ANS: T
2. Radioactive decay of elements can be beneficial to the treatment of disease.
ANS: T
Copyright © ANZ 2012 by Mosby, Inc., an affiliate of Elsevier Inc.
, Test Bank 1-4
3. Electrons associated with atoms have identical amounts of energy.
ANS: F
4. Electrons are always associated with atoms in hubs.
ANS: F
5. Chemical bonds are formed when protons from different elements bind.
ANS: F
6. The element potassium is an important contributor to heart regulation.
ANS: T
7. In conjunction with potassium, sodium also regulates heart function.
ANS: F
8. Non covalent bonds are essential for strong atomic binding.
ANS: F
9. The strength of chemical bonds can be physically measured.
ANS: T
MATCHING
Match the item to the correct description below.
a. Tetrahedral molecule
b. Proton number
c. Negligible mass
d. 1:1 ratio
e. Variable neutron number
f. Spontaneous energy loss
g. Atomic mass unit
h. Four binding sites
i. Hydrogen bonds
j. Small weak charges
1. Electron mass
2. Incomplete valence
3. Sodium chloride
4. Radioactive isotopes
Copyright © ANZ 2012 by Mosby, Inc., an affiliate of Elsevier Inc.
Chapter 01: Elements and Compounds, Chemistry and Life
Test Bank
MULTIPLE CHOICE
1. Elements are defined by their number of:
a. Electrons
b. Neutrons
c. Protons
d. Bonds
e. Shape
ANS: C
2. The number of naturally occurring elements is:
a. 92
b. 105
c. 100
d. 85
e. 110
ANS: A
3. Isotopes of an element are defined by the number of:
a. Protons
b. Neutrons
c. Electrons
d. Position in the table of elements
e. Level of radioactivity
ANS: B
4. Electrons are located in:
a. Outer shells
b. The nucleus
c. Binding to protons
d. Binding to neutrons
e. Free energy states
ANS: A
5. Covalent bonds are formed when:
a. Nuclei collide
b. Valence electrons are shared
c. Electrons dissociate sharing
d. Electrons share equal charge
Copyright © ANZ 2012 by Mosby, Inc., an affiliate of Elsevier Inc.
, Test Bank 1-2
e. Valence is unequal
ANS: B
6. Ionic bonds are formed when:
a. Electron negativity is equal
b. Protons dissociate from the nucleus
c. Electronegativity is different
d. There is a neutral electrical charge
e. Two atoms of equal mass combine
ANS: C
7. Water molecules are strongly bonded because they have:
a. Ionic bonds
b. Hydrogen bonds
c. Van der Waals interactions
d. Covalent bonds
e. Poor valence
ANS: D
8. A Dalton is a measure of:
a. Distance
b. Electron mass
c. Positively charged particles
d. Atomic mass
e. Body composition
ANS: D
9. Atomic number informs on:
a. Type of element
b. Number of protons
c. Number of neutrons
d. Weight of the atom
e. Stability of the atom
ANS: B
10. All molecules have:
a. Distinct three-dimensional shapes
b. Distinct two-dimensional shapes
c. Only two bonded dissimilar atoms
d. Only covalent bonds
e. Potential for binding water via free electrons
ANS: A
Copyright © ANZ 2012 by Mosby, Inc., an affiliate of Elsevier Inc.
, Test Bank 1-3
ESSAY
1. The major four elements ____________, ____________, ____________, ____________, make
up approximately ____________ of the human body.
ANS: carbon, hydrogen, oxygen, nitrogen, 96%<br>
carbon, oxygen, hydrogen, nitrogen, 96%<br>
carbon, nitrogen, oxygen, hydrogen, 96%<br>
nitrogen, carbon, oxygen, hydrogen, 96%<br>
nitrogen, oxygen, carbon, hydrogen, 96%<br>
nitrogen, hydrogen, oxygen, carbon, 96%<br>
oxygen, hydrogen, nitrogen, carbon, 96%<br>
oxygen, nitrogen, hydrogen, carbon, 96%<br>
oxygen, carbon, hydrogen, nitrogen, 96%<br>
hydrogen, carbon, oxygen, nitrogen, 96%<br>
hydrogen, carbon, nitrogen, oxygen, 96%<br>
hydrogen, oxygen, carbon, nitrogen, 96%
COMPLETION
1. The ____________ of an element allows the determination of the number of
____________ in the nucleus.
ANS: atomic number, protons
2. Electrons associated with an atom have ____________ amounts of energy.
ANS: negative
3. When electrons absorb energy they can move from ____________ to another and become
____________.
ANS: one energy level, excited
4. An anion is a ____________ charged ion and will be attracted to a ____________ cation
ion to form an ____________.
ANS: negatively, cation, ionic bond
TRUE/FALSE
1. All atoms of a given element have the same number of protons but the number of
neutrons can vary.
ANS: T
2. Radioactive decay of elements can be beneficial to the treatment of disease.
ANS: T
Copyright © ANZ 2012 by Mosby, Inc., an affiliate of Elsevier Inc.
, Test Bank 1-4
3. Electrons associated with atoms have identical amounts of energy.
ANS: F
4. Electrons are always associated with atoms in hubs.
ANS: F
5. Chemical bonds are formed when protons from different elements bind.
ANS: F
6. The element potassium is an important contributor to heart regulation.
ANS: T
7. In conjunction with potassium, sodium also regulates heart function.
ANS: F
8. Non covalent bonds are essential for strong atomic binding.
ANS: F
9. The strength of chemical bonds can be physically measured.
ANS: T
MATCHING
Match the item to the correct description below.
a. Tetrahedral molecule
b. Proton number
c. Negligible mass
d. 1:1 ratio
e. Variable neutron number
f. Spontaneous energy loss
g. Atomic mass unit
h. Four binding sites
i. Hydrogen bonds
j. Small weak charges
1. Electron mass
2. Incomplete valence
3. Sodium chloride
4. Radioactive isotopes
Copyright © ANZ 2012 by Mosby, Inc., an affiliate of Elsevier Inc.
