Test Bank for
Foundations in
Microbiology 8th
Edition Talaro
, Chapter 02 Testbank
Student: ___________________________________________________________________________
1. Anything that occupies space and has mass is called
A. an
electron.
B. livin
g.
C. matte
r.
D. energy
.
E. space
.
2. The electrons of an atom are
A. always equal to the
number of neutrons in an
atom.
B. found in the nucleus.
C. used to determine atomic
number.
D. positively charged.
E. moving in pathways called
orbitals.
3. All of the following pertain to the atom 146c except it(s)
A. has 6 protons. B. has 6
electrons. C. has 14
neutrons.
D. is an isotope of
carbon.
E. mass number is
14.
4. The subatomic particles that surround the nucleus are the
A. electron
s.
B. proton
s.
C. neutron
s.
D. protons and neutrons.
E. protons and electrons.
5. Cations are
, A. charged subatomic
particles.
B. atoms that have gained
electrons.
C. radioactive isotopes.
D. capable of forming ionic
bonds with anions.
E. atoms without protons.
6. Isotopes are atoms of the same element that differ in their
A. neutron
number. B.
electron
number. C.
proton number.
D. atomic
number.
E. chemical properties.
7. What is the maximum number of electrons in the second energy shell of an atom?
A ................................................................................................................................................................................................ 1
B ............................................................................................................................................................................................... 1
C ................................................................................................................................................................................................ 1
D. 1
8 E.
3
2
8. Two or more atoms bonded together are called a/an
A. ion
.
B. isotop
e.
C. elemen
t.
D. electrolyt
e.
E. molecul
e.
9. What would be the valence number of electrons in the sulfur atom 3216s?
A. 2
B. 6
C. 8
, D. 1
6 E
.3
2
10. Polar molecules are composed of covalently bonded
A. identical atoms.
B. carbon atoms. C. ions
.
D. atoms of different electronegativity.
E. atoms of identical
electronegativity.
11. Reactions involving electron release are called ______ reactions.
A. oxidatio
n.
B. reductio
n.
C. ionizatio
n.
D. decompositio
n.
E. dissolutio
n.
12. Which of the following represents a synthesis reaction?
A. AB → A + B
B. A + B → AB
C. AB + XY → AX + BY
D. AB + XY ↔ AX + BY
E. None of the choices are
correct.
13. The important solvent associated with living things is
A. carbon dioxide. B. sodium
chloride. C. ethyl alcohol.
D. benzen
e.
E. wate
r.
14. Which term does not belong in this list?
A. lactic acid
B. vinegar
C. hydrogen ion donor D. pH
8
E. acidi c
Foundations in
Microbiology 8th
Edition Talaro
, Chapter 02 Testbank
Student: ___________________________________________________________________________
1. Anything that occupies space and has mass is called
A. an
electron.
B. livin
g.
C. matte
r.
D. energy
.
E. space
.
2. The electrons of an atom are
A. always equal to the
number of neutrons in an
atom.
B. found in the nucleus.
C. used to determine atomic
number.
D. positively charged.
E. moving in pathways called
orbitals.
3. All of the following pertain to the atom 146c except it(s)
A. has 6 protons. B. has 6
electrons. C. has 14
neutrons.
D. is an isotope of
carbon.
E. mass number is
14.
4. The subatomic particles that surround the nucleus are the
A. electron
s.
B. proton
s.
C. neutron
s.
D. protons and neutrons.
E. protons and electrons.
5. Cations are
, A. charged subatomic
particles.
B. atoms that have gained
electrons.
C. radioactive isotopes.
D. capable of forming ionic
bonds with anions.
E. atoms without protons.
6. Isotopes are atoms of the same element that differ in their
A. neutron
number. B.
electron
number. C.
proton number.
D. atomic
number.
E. chemical properties.
7. What is the maximum number of electrons in the second energy shell of an atom?
A ................................................................................................................................................................................................ 1
B ............................................................................................................................................................................................... 1
C ................................................................................................................................................................................................ 1
D. 1
8 E.
3
2
8. Two or more atoms bonded together are called a/an
A. ion
.
B. isotop
e.
C. elemen
t.
D. electrolyt
e.
E. molecul
e.
9. What would be the valence number of electrons in the sulfur atom 3216s?
A. 2
B. 6
C. 8
, D. 1
6 E
.3
2
10. Polar molecules are composed of covalently bonded
A. identical atoms.
B. carbon atoms. C. ions
.
D. atoms of different electronegativity.
E. atoms of identical
electronegativity.
11. Reactions involving electron release are called ______ reactions.
A. oxidatio
n.
B. reductio
n.
C. ionizatio
n.
D. decompositio
n.
E. dissolutio
n.
12. Which of the following represents a synthesis reaction?
A. AB → A + B
B. A + B → AB
C. AB + XY → AX + BY
D. AB + XY ↔ AX + BY
E. None of the choices are
correct.
13. The important solvent associated with living things is
A. carbon dioxide. B. sodium
chloride. C. ethyl alcohol.
D. benzen
e.
E. wate
r.
14. Which term does not belong in this list?
A. lactic acid
B. vinegar
C. hydrogen ion donor D. pH
8
E. acidi c
