Chemistry and Chemical Reactivity 9th Edition By Kotz - Test Bank - Updated 2025
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MULTIPLE CHOICE
1. Which
of the following statements concerning atomic structure is/are correct?
|
1. |
Neutrons and electrons are found in space as a cloud around the
nucleus. |
|
|
2. |
The nucleus contains all the positive charge of an atom. |
|
|
3. |
Electrons surround the nucleus and account for the majority of
an atom's volume. |
|
a. |
1 only |
b. |
2 only |
c. |
3 only |
d. |
2 and 3 |
e. |
1, 2, and 3 |
ANS: D
2. Atoms
consist of three fundamental particles. What are these particles and their
charges?
|
a. |
proton (+1), neutron (neutral) and electron (-1) |
|
b. |
proton (-1), neutron (+1) and
electron (neutral) |
|
c. |
proton (+1), neutron (-1) and electron
(neutral) |
|
d. |
proton (neutral), neutron (+1) and electron (-1) |
|
e. |
proton (-1), neutron (neutral)
and electron (+1) |
ANS: A
3. Rank
the subatomic particles from least to greatest mass.
|
a. |
electron mass = proton mass = neutron mass |
|
b. |
electron mass = neutron mass < proton mass |
|
c. |
electron mass = proton mass < neutron mass |
|
d. |
electron mass < proton mass < neutron mass |
|
e. |
electron mass < proton mass = neutron mass |
ANS: D
4. Atomic
number is the________ in the nucleus of an atom.
|
a. |
number of electrons |
|
b. |
number of protons |
|
c. |
number of protons minus the number of neutrons |
|
d. |
sum of the number of electrons and neutrons |
|
e. |
sum of the number of neutrons and protons |
ANS: B
5. The
atomic number of fluorine is ____.
|
a. |
7A |
b. |
9 |
c. |
10 |
d. |
19 |
e. |
0 |
ANS: B
6. Which of the following
statements is/are CORRECT?
|
1. |
A hydrogen atom with 1 proton and zero neutrons is assigned a
mass of exactly 1 atoms mass unit. |
|
|
2. |
1 atomic mass unit is equivalent to 9.11 ´ 10-28 g. |
|
|
3. |
A carbon atom with 6 protons and 6 neutrons is assigned a mass
of exactly 12 atomic mass units. |
|
a. |
1 only |
b. |
2 only |
c. |
3 only |
d. |
1 and 2 |
e. |
1, 2, and 3 |
ANS: C
7. What
is the mass number of an argon atom with 22 neutrons?
|
a. |
2 |
b. |
18 |
c. |
22 |
d. |
40 |
e. |
39.95 |
ANS: D
8. A
neutral atom of the isotope 197Au contains
|
a. |
197 neutrons and 276 electrons. |
|
b. |
79 protons and 197 neutrons. |
|
c. |
197 protons and 118 electrons. |
|
d. |
197 protons, 79 neutrons, and 197 electrons. |
|
e. |
79 protons and 118 neutrons. |
ANS: E
9. How
many protons are there in an atom of scandium-45?
|
a. |
25 |
b. |
66 |
c. |
20 |
d. |
21 |
e. |
24 |
ANS: D
10. How
many protons, neutrons, and electrons are in a neutral atom of 55Fe?
|
a. |
26 protons, 29 neutrons, 55 electrons |
|
b. |
26 protons, 29 neutrons, 29 electrons |
|
c. |
26 protons, 29 neutrons, 26 electrons |
|
d. |
55 protons, 26 neutrons, 55 electrons |
|
e. |
55 protons, 26 neutrons, 26 electrons |
ANS: C
11. What
is the mass of chlorine-35 relative to carbon-12?
|
a. |
0.657 |
b. |
0.522 |
c. |
1.52 |
d. |
2.92 |
e. |
23 |
ANS: D
12. Which
of the following atoms contains the fewest protons?
|
a. |
232Th |
b. |
231Pa |
c. |
245Pu |
d. |
238U |
e. |
232Pa |
ANS: A
13. Which
of the following atoms contains more protons than neutrons?
|
a. |
b. |
c. |
d. |
e. |
ANS: A
14. What
is the atomic symbol for an element with 16 protons and 17 neutrons?
|
a. |
b. |
c. |
d. |
e. |
ANS: C
15. What
is the identity of 
?
|
a. |
Ni |
b. |
Zn |
c. |
Rn |
d. |
Ce |
e. |
Pd |
ANS: A
16. What
is the atomic symbol for an element that has 30 neutrons and a mass number of
55?
|
a. |
At |
b. |
Zn |
c. |
Co |
d. |
Mn |
e. |
Cs |
ANS: D
17. How many neutrons are there in an atom of gallium-71 ?
|
a. |
31 |
b. |
2 |
c. |
102 |
d. |
71 |
e. |
40 |
ANS: E
18. Which
of the following atoms contains the largest number of neutrons?
|
a. |
b. |
c. |
d. |
e. |
ANS: E
19. An atom that has the same number of neutrons as 
is
|
a. |
|
b. |
|
c. |
|
d. |
|
e. |
|
ANS: B
20. Two
isotopes of a given element will have the same number of ____, but a different
number of ____ in their nucleus.
|
a. |
MULTIPLE CHOICE 1. Which
of the following statements concerning atomic structure is/are correct? 1. Neutrons and electrons are found in space as a cloud around the
nucleus. 2. The nucleus contains all the positive charge of an atom. 3. Electrons surround the nucleus and account for the majority of
an atom's volume. a. 1 only b. 2 only c. 3 only d. 2 and 3 e. 1, 2, and 3 ANS: D 2. Atoms
consist of three fundamental particles. What are these particles and their
charges? a. proton (+1), neutron (neutral) and electron (-1) b. proton (-1), neutron (+1) and
electron (neutral) c. proton (+1), neutron (-1) and electron
(neutral) d. proton (neutral), neutron (+1) and electron (-1) e. proton (-1), neutron (neutral)
and electron (+1) ANS: A 3. Rank
the subatomic particles from least to greatest mass. a. electron mass = proton mass = neutron mass b. electron mass = neutron mass < proton mass c. electron mass = proton mass < neutron mass d. electron mass < proton mass < neutron mass e. electron mass < proton mass = neutron mass ANS: D 4. Atomic
number is the________ in the nucleus of an atom. a. number of electrons b. number of protons c. number of protons minus the number of neutrons d. sum of the number of electrons and neutrons e. sum of the number of neutrons and protons ANS: B 5. The
atomic number of fluorine is ____. a. 7A b. 9 c. 10 d. 19 e. 0 ANS: B 6. Which of the following
statements is/are CORRECT? 1. A hydrogen atom with 1 proton and zero neutrons is assigned a
mass of exactly 1 atoms mass unit. 2. 1 atomic mass unit is equivalent to 9.11 ´ 10-28 g. 3. A carbon atom with 6 protons and 6 neutrons is assigned a mass
of exactly 12 atomic mass units. a. 1 only b. 2 only c. 3 only d. 1 and 2 e. 1, 2, and 3 ANS: C 7. What
is the mass number of an argon atom with 22 neutrons? a. 2 b. 18 c. 22 d. 40 e. 39.95 ANS: D 8. A
neutral atom of the isotope 197Au contains a. 197 neutrons and 276 electrons. b. 79 protons and 197 neutrons. c. 197 protons and 118 electrons. d. 197 protons, 79 neutrons, and 197 electrons. e. 79 protons and 118 neutrons. ANS: E 9. How
many protons are there in an atom of scandium-45? a. 25 b. 66 c. 20 d. 21 e. 24 ANS: D 10. How
many protons, neutrons, and electrons are in a neutral atom of 55Fe? a. 26 protons, 29 neutrons, 55 electrons b. 26 protons, 29 neutrons, 29 electrons c. 26 protons, 29 neutrons, 26 electrons d. 55 protons, 26 neutrons, 55 electrons e. 55 protons, 26 neutrons, 26 electrons ANS: C 11. What
is the mass of chlorine-35 relative to carbon-12? a. 0.657 b. 0.522 c. 1.52 d. 2.92 e. 23 ANS: D 12. Which
of the following atoms contains the fewest protons? a. 232Th b. 231Pa c. 245Pu d. 238U e. 232Pa ANS: A 13. Which
of the following atoms contains more protons than neutrons? a. b. c. d. e. ANS: A 14. What
is the atomic symbol for an element with 16 protons and 17 neutrons? a. b. c. d. e. ANS: C 15. What
is the identity of a. Ni b. Zn c. Rn d. Ce e. Pd ANS: A 16. What
is the atomic symbol for an element that has 30 neutrons and a mass number of
55? a. At b. Zn c. Co d. Mn e. Cs ANS: D 17. How many neutrons are there in an atom of gallium-71 ? a. 31 b. 2 c. 102 d. 71 e. 40 ANS: E 18. Which
of the following atoms contains the largest number of neutrons? a. b. c. d. e. ANS: E 19. An atom that has the same number of neutrons as a. b. c. d. e. ANS: B 20. Two
isotopes of a given element will have the same number of ____, but a different
number of ____ in their nucleus. a. Questions $12.00 Delivery & Return Policy Exceptions may apply Payment Methods ExamExperts Payment Methods About Seller ExamExperts Chemistry and Chemical Reactivity 9th Edition By Kotz - Test Bank - Updated 2025 Chemistry and Chemical Reactivity 9th Edition By Kotz - Test Bank - Updated 2025 MULTIPLE CHOICE 1. Which
of the following statements concerning atomic structure is/are correct? 1. Neutrons and electrons are found in space as a cloud around the
nucleus. 2. The nucleus contains all the positive charge of an atom. 3. Electrons surround the nucleus and account for the majority of
an atom's volume. a. 1 only b. 2 only c. 3 only d. 2 and 3 e. 1, 2, and 3 ANS: D 2. Atoms
consist of three fundamental particles. What are these particles and their
charges? a. proton (+1), neutron (neutral) and electron (-1) b. proton (-1), neutron (+1) and
electron (neutral) c. proton (+1), neutron (-1) and electron
(neutral) d. proton (neutral), neutron (+1) and electron (-1) e. proton (-1), neutron (neutral)
and electron (+1) ANS: A 3. Rank
the subatomic particles from least to greatest mass. a. electron mass = proton mass = neutron mass b. electron mass = neutron mass < proton mass c. electron mass = proton mass < neutron mass d. electron mass < proton mass < neutron mass e. electron mass < proton mass = neutron mass ANS: D 4. Atomic
number is the________ in the nucleus of an atom. a. number of electrons b. number of protons c. number of protons minus the number of neutrons d. sum of the number of electrons and neutrons e. sum of the number of neutrons and protons ANS: B 5. The
atomic number of fluorine is ____. a. 7A b. 9 c. 10 d. 19 e. 0 ANS: B 6. Which of the following
statements is/are CORRECT? 1. A hydrogen atom with 1 proton and zero neutrons is assigned a
mass of exactly 1 atoms mass unit. 2. 1 atomic mass unit is equivalent to 9.11 ´ 10-28 g. 3. A carbon atom with 6 protons and 6 neutrons is assigned a mass
of exactly 12 atomic mass units. a. 1 only b. 2 only c. 3 only d. 1 and 2 e. 1, 2, and 3 ANS: C 7. What
is the mass number of an argon atom with 22 neutrons? a. 2 b. 18 c. 22 d. 40 e. 39.95 ANS: D 8. A
neutral atom of the isotope 197Au contains a. 197 neutrons and 276 electrons. b. 79 protons and 197 neutrons. c. 197 protons and 118 electrons. d. 197 protons, 79 neutrons, and 197 electrons. e. 79 protons and 118 neutrons. ANS: E 9. How
many protons are there in an atom of scandium-45? a. 25 b. 66 c. 20 d. 21 e. 24 ANS: D 10. How
many protons, neutrons, and electrons are in a neutral atom of 55Fe? a. 26 protons, 29 neutrons, 55 electrons b. 26 protons, 29 neutrons, 29 electrons c. 26 protons, 29 neutrons, 26 electrons d. 55 protons, 26 neutrons, 55 electrons e. 55 protons, 26 neutrons, 26 electrons ANS: C 11. What
is the mass of chlorine-35 relative to carbon-12? a. 0.657 b. 0.522 c. 1.52 d. 2.92 e. 23 ANS: D 12. Which
of the following atoms contains the fewest protons? a. 232Th b. 231Pa c. 245Pu d. 238U e. 232Pa ANS: A 13. Which
of the following atoms contains more protons than neutrons? a. b. c. d. e. ANS: A 14. What
is the atomic symbol for an element with 16 protons and 17 neutrons? a. b. c. d. e. ANS: C 15. What
is the identity of a. Ni b. Zn c. Rn d. Ce e. Pd ANS: A 16. What
is the atomic symbol for an element that has 30 neutrons and a mass number of
55? a. At b. Zn c. Co d. Mn e. Cs ANS: D 17. How many neutrons are there in an atom of gallium-71 ? a. 31 b. 2 c. 102 d. 71 e. 40 ANS: E 18. Which
of the following atoms contains the largest number of neutrons? a. b. c. d. e. ANS: E 19. An atom that has the same number of neutrons as a. b. c. d. e. ANS: B 20. Two
isotopes of a given element will have the same number of ____, but a different
number of ____ in their nucleus. a. MULTIPLE CHOICE 1. Which
of the following statements concerning atomic structure is/are correct? 1. Neutrons and electrons are found in space as a cloud around the
nucleus. 2. The nucleus contains all the positive charge of an atom. 3. Electrons surround the nucleus and account for the majority of
an atom's volume. a. 1 only b. 2 only c. 3 only d. 2 and 3 e. 1, 2, and 3 ANS: D 2. Atoms
consist of three fundamental particles. What are these particles and their
charges? a. proton (+1), neutron (neutral) and electron (-1) b. proton (-1), neutron (+1) and
electron (neutral) c. proton (+1), neutron (-1) and electron
(neutral) d. proton (neutral), neutron (+1) and electron (-1) e. proton (-1), neutron (neutral)
and electron (+1) ANS: A 3. Rank
the subatomic particles from least to greatest mass. a. electron mass = proton mass = neutron mass b. electron mass = neutron mass < proton mass c. electron mass = proton mass < neutron mass d. electron mass < proton mass < neutron mass e. electron mass < proton mass = neutron mass ANS: D 4. Atomic
number is the________ in the nucleus of an atom. a. number of electrons b. number of protons c. number of protons minus the number of neutrons d. sum of the number of electrons and neutrons e. sum of the number of neutrons and protons ANS: B 5. The
atomic number of fluorine is ____. a. 7A b. 9 c. 10 d. 19 e. 0 ANS: B 6. Which of the following
statements is/are CORRECT? 1. A hydrogen atom with 1 proton and zero neutrons is assigned a
mass of exactly 1 atoms mass unit. 2. 1 atomic mass unit is equivalent to 9.11 ´ 10-28 g. 3. A carbon atom with 6 protons and 6 neutrons is assigned a mass
of exactly 12 atomic mass units. a. 1 only b. 2 only c. 3 only d. 1 and 2 e. 1, 2, and 3 ANS: C 7. What
is the mass number of an argon atom with 22 neutrons? a. 2 b. 18 c. 22 d. 40 e. 39.95 ANS: D 8. A
neutral atom of the isotope 197Au contains a. 197 neutrons and 276 electrons. b. 79 protons and 197 neutrons. c. 197 protons and 118 electrons. d. 197 protons, 79 neutrons, and 197 electrons. e. 79 protons and 118 neutrons. ANS: E 9. How
many protons are there in an atom of scandium-45? a. 25 b. 66 c. 20 d. 21 e. 24 ANS: D 10. How
many protons, neutrons, and electrons are in a neutral atom of 55Fe? a. 26 protons, 29 neutrons, 55 electrons b. 26 protons, 29 neutrons, 29 electrons c. 26 protons, 29 neutrons, 26 electrons d. 55 protons, 26 neutrons, 55 electrons e. 55 protons, 26 neutrons, 26 electrons ANS: C 11. What
is the mass of chlorine-35 relative to carbon-12? a. 0.657 b. 0.522 c. 1.52 d. 2.92 e. 23 ANS: D 12. Which
of the following atoms contains the fewest protons? a. 232Th b. 231Pa c. 245Pu d. 238U e. 232Pa ANS: A 13. Which
of the following atoms contains more protons than neutrons? a. b. c. d. e. ANS: A 14. What
is the atomic symbol for an element with 16 protons and 17 neutrons? a. b. c. d. e. ANS: C 15. What
is the identity of a. Ni b. Zn c. Rn d. Ce e. Pd ANS: A 16. What
is the atomic symbol for an element that has 30 neutrons and a mass number of
55? a. At b. Zn c. Co d. Mn e. Cs ANS: D 17. How many neutrons are there in an atom of gallium-71 ? a. 31 b. 2 c. 102 d. 71 e. 40 ANS: E 18. Which
of the following atoms contains the largest number of neutrons? a. b. c. d. e. ANS: E 19. An atom that has the same number of neutrons as a. b. c. d. e. ANS: B 20. Two
isotopes of a given element will have the same number of ____, but a different
number of ____ in their nucleus. a. Free Shipping 24/7 Live Chat Secure Payments |
