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Deck 19: Radioactivity and Nuclear Chemistry
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Question
Write the nuclear equation for the alpha decay of 
Ra.
A)
B)
C)
D)
E)
Ra.A)
B)
C)
D)
E)
Question
Question
Determine the identity of the daughter nuclide from the alpha decay of 
Po.
A)
Rn
B)
Pb
C)
Ra
D)
Hg
E)
At
Po.A)
RnB)
PbC)
RaD)
HgE)
At Question
Question
Write the nuclear equation for the alpha decay of 
Th.
A)
B)
C)
D)
E)
Th.A)
B)
C)
D)
E)
Question
Question
Write a nuclear equation for the alpha decay of 
Am.
A)
B)
C)
D)
E)
Am.
A)
B)
C)
D)
E)
Question
Determine the identity of the daughter nuclide from the alpha decay of 
Rn.
A)
Po
B)
Ra
C)
Th
D)
Rn
E)
At
Rn.A)
PoB)
RaC)
ThD)
RnE)
At Question
Question
Question
Question
Question
Determine the identity of the daughter nuclide from the alpha decay of 
Po.
A)
Po
B)
Hg
C)
At
D)
Pb
E)
Rn
Po.A)
PoB)
HgC)
AtD)
PbE)
Rn Question
Question
Question
Write a nuclear equation for the alpha decay of 
Pu.
A)
B)
C)
D)
E)
Pu.A)
B)
C)
D)
E)
Question
Determine the identity of the daughter nuclide from the alpha decay of 
Ra.
A)
Fr
B)
Ac
C)
Po
D)
Th
E)
Rn
Ra.A)
FrB)
AcC)
PoD)
ThE)
Rn Question
Write a nuclear equation for the alpha decay of 
U.
A)
B)
C)
D)
E)
U.A)
B)
C)
D)
E)
Question
Question
Determine the identity of the daughter nuclide from the alpha decay of 
Th.
A)
U
B)
Pa
C)
Ra
D)
Ac
E)
Th
Th.A)
UB)
PaC)
RaD)
AcE)
Th Question
Determine the identity of the daughter nuclide from the positron emission of 
O.
A)
C
B)
F
C)
N
D)
N
E)
C
O.A)
CB)
FC)
ND)
NE)
C Question
Determine the identity of the daughter nuclide from the positron emission of 
C.
A)
B
B)
N
C)
C
D)
B
E)
N
C.A)
BB)
NC)
CD)
BE)
N Question
Determine the identity of the daughter nuclide from the beta decay of 
Tc.
A)
Ru
B)
Rh
C)
Nb
D)
Mo
E)
Ru
Tc.A)
RuB)
RhC)
NbD)
MoE)
Ru Question
The following reaction represents what nuclear process?
Am →
He +
Np
A)beta emission
B)neutron bombardment
C)alpha emission
D)electron capture
E)positron emission
Am →He +NpA)beta emission
B)neutron bombardment
C)alpha emission
D)electron capture
E)positron emission
Question
Identify the missing particle in the following nuclear equation:
Pb →
E + ?
A)
Bi
B)
Tl
C)
Pb
D)
Pb
E)
Tl
Pb →E + ?A)
BiB)
TlC)
PbD)
PbE)
Tl Question
Determine the identity of the daughter nuclide from the electron capture by 
Fe.
A)
Co
B)
Mn
C)
Co
D)
Mn
E)
Cr
Fe.A)
CoB)
MnC)
CoD)
MnE)
Cr Question
Determine the identity of the daughter nuclide from the positron emission of 
N.
A)
O
B)
C
C)
O
D)
B
E)
F
N.A)
OB)
CC)
OD)
BE)
F Question
Determine the identity of the daughter nuclide from the positron emission of 
F.
A)
Na
B)
F
C)
N
D)
O
E)
Ne
F.A)
NaB)
FC)
ND)
OE)
Ne Question
Determine the identity of the daughter nuclide from the beta decay of 
Pb.
A)
Pt
B)
Tl
C)
Hg
D)
Bi
E)
Pb
Pb.A)
PtB)
TlC)
HgD)
BiE)
Pb Question
Determine the identity of the daughter nuclide from the electron capture by 
Cl.
A)
Ar
B)
K
C)
S
D)
P
E)
Ar
Cl.A)
ArB)
KC)
SD)
PE)
Ar Question
The following reaction represents what nuclear process?
Pb →
E +
Bi
A)alpha emission
B)gamma emission
C)electron capture
D)neutron bombardment
E)beta emission
Pb →E +BiA)alpha emission
B)gamma emission
C)electron capture
D)neutron bombardment
E)beta emission
Question
Determine the identity of the daughter nuclide from the beta decay of 
Sr.
A)
Sr
B)
Y
C)
Y
D)
Kr
E)
Se
Sr.A)
SrB)
YC)
YD)
KrE)
Se Question
Determine the identity of the daughter nuclide from the positron emission of 
Ge.
A)
Ga
B)
As
C)
Zn
D)
As
E)
Ga
Ge.A)
GaB)
AsC)
ZnD)
AsE)
Ga Question
Determine the identity of the daughter nuclide from the beta decay of 
C.
A)
N
B)
Be
C)
N
D)
C
E)
B
C.A)
NB)
BeC)
ND)
CE)
B Question
Identify the missing particle in the following nuclear equation:
Th →
He + ?
A)
U
B)
Ac
C)
Ac
D)
Ra
E)
Ra
Th →He + ?A)
UB)
AcC)
AcD)
RaE)
Ra Question
Determine the identity of the daughter nuclide from the beta decay of 
P.
A)
P
B)
S
C)
S
D)
Si
E)
Al
P.A)
PB)
SC)
SD)
SiE)
Al Question
Determine the identity of the daughter nuclide from the electron capture by 
Rb.
A)
Kr
B)
Sr
C)
Br
D)
Y
E)
Kr
Rb.A)
KrB)
SrC)
BrD)
YE)
Kr Question
Determine the identity of the daughter nuclide from the electron capture by 
Be.
A)
C
B)
He
C)
B
D)
Li
E)
B
Be.A)
CB)
HeC)
BD)
LiE)
B Question
The following reaction represents what nuclear process?
Cs +
E →
Xe
A)beta emission
B)positron emission
C)gamma emission
D)electron capture
E)alpha capture
Cs +E → XeA)beta emission
B)positron emission
C)gamma emission
D)electron capture
E)alpha capture
Question
Determine the identity of the daughter nuclide from the electron capture by 
Pa.
A)
Th
B)
Np
C)
Ac
D)
U
E)
Th
Pa.A)
ThB)
NpC)
AcD)
UE)
Th Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
The following reaction represents what nuclear process?
U +
N →
Ba +
Kr + 3
N
A)nuclear fission
B)nuclear fusion
C)electron capture
D)alpha decay
E)beta emission
U +N →Ba +Kr + 3NA)nuclear fission
B)nuclear fusion
C)electron capture
D)alpha decay
E)beta emission
Question
Question
Question
Question
Identify the missing particle in the following nuclear equation:
U → ? +
He + 2
Γ
A)
Th
B)
Ra
C)
Pu
D)
Th
E)
Ra
U → ? +He + 2ΓA)
ThB)
RaC)
PuD)
ThE)
Ra Question
Identify the missing particle in the following nuclear equation:
H +
H →
He + ?+
Γ
A)
E
B)
N
C)
E
D)
H
E)
Γ
H +H →He + ?+ΓA)
EB)
NC)
ED)
HE)
Γ Question
Question
Question
Question
Write a nuclear equation to describe the spontaneous fission of
Am to form I-134 and Mo-107.Determine how many neutrons are produced in the reaction.
A)0
B)1
C)2
D)3
E)4
Am to form I-134 and Mo-107.Determine how many neutrons are produced in the reaction.A)0
B)1
C)2
D)3
E)4
Question
Identify the missing particle in the following nuclear equation:
U →
Sr + ? +2
N + 4
Γ
A)
Te
B)
Xe
C)
Xe
D)
Te
E)
Sr
U →Sr + ? +2N + 4ΓA)
TeB)
XeC)
XeD)
TeE)
Sr Question
Question
Match the following.
electron
A)
γ
B)
p
C)
n
D)
e
E)
He
F)
e
electron
A)
γB)
pC)
nD)
eE)
HeF)
e Question
Match the following.
neutron
A) γ
B) p
C) n
D) e
E) He
F) e
neutron
A)
γB)
pC)
nD)
eE)
HeF)
e Question
Question
Question
Question
Match the following.
positron
A) γ
B) p
C) n
D) e
E) He
F) e
positron
A)
γB)
pC)
nD)
eE)
HeF)
e Question
Question
Match the following.
proton
A) γ
B) p
C) n
D) e
E) He
F) e
proton
A)
γB)
pC)
nD)
eE)
HeF)
e Question
Question
The following reaction represents what nuclear process?
H +
H →
He +
N
A)nuclear fusion
B)alpha emission
C)beta emission
D)nuclear fission
E)neutron capture
H +H →He +NA)nuclear fusion
B)alpha emission
C)beta emission
D)nuclear fission
E)neutron capture
Question
Question
Question
Question
Question
Match the following.
gamma ray
A) γ
B) p
C) n
D) e
E) He
F) e
gamma ray
A)
γB)
pC)
nD)
eE)
HeF)
e Question
Question
Match the following.
beta particle
A) γ
B) p
C) n
D) e
E) He
F) e
beta particle
A)
γB)
pC)
nD)
eE)
HeF)
e Question
Match the following.
alpha particle
A) γ
B) p
C) n
D) e
E) He
F) e
alpha particle
A)
γB)
pC)
nD)
eE)
HeF)
e Question
Write a nuclear equation to describe the neutron induced fission of 
Pu to form
Kr and 
Ce.Determine how many neutrons are produced in the reaction.
A)2
B)0
C)3
D)1
E)4
Pu to form Kr and Ce.Determine how many neutrons are produced in the reaction.A)2
B)0
C)3
D)1
E)4
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Deck 19: Radioactivity and Nuclear Chemistry
1
Write the nuclear equation for the alpha decay of Ra.
A)
B)
C)
D)
E)
Ra.A)
B)
C)
D)
E)
2
Describe what changes occur during gamma ray emission.
A)The mass number and atomic number decrease.
B)The mass number and atomic number increase.
C)The mass number is unchanged and the atomic number decreases.
D)The mass number is unchanged and the atomic number increases.
E)The mass number and atomic number do not change.
A)The mass number and atomic number decrease.
B)The mass number and atomic number increase.
C)The mass number is unchanged and the atomic number decreases.
D)The mass number is unchanged and the atomic number increases.
E)The mass number and atomic number do not change.
The mass number and atomic number do not change.
3
Determine the identity of the daughter nuclide from the alpha decay of Po.
A)Rn
B)Pb
C)Ra
D)Hg
E)At
Po.A)
RnB)
PbC)
RaD)
HgE)
AtPb 4
Describe an alpha particle.
A)electromagnetic radiation
B)two neutrons and two protons
C)an electron
D)two neutrons and two electrons
E)a proton
A)electromagnetic radiation
B)two neutrons and two protons
C)an electron
D)two neutrons and two electrons
E)a proton
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5
Write the nuclear equation for the alpha decay of Th.
A)
B)
C)
D)
E)
Th.A)
B)
C)
D)
E)
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6
Describe what changes occur during beta decay.
A)The mass number and atomic number decrease.
B)The mass number and atomic number increase.
C)The mass number is unchanged and the atomic number decreases.
D)The mass number is unchanged and the atomic number increases.
E)The mass number and atomic number do not change.
A)The mass number and atomic number decrease.
B)The mass number and atomic number increase.
C)The mass number is unchanged and the atomic number decreases.
D)The mass number is unchanged and the atomic number increases.
E)The mass number and atomic number do not change.
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7
Write a nuclear equation for the alpha decay of
Am.
A)
B)
C)
D)
E)
Am.
A)
B)
C)
D)
E)
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8
Determine the identity of the daughter nuclide from the alpha decay of Rn.
A)Po
B)Ra
C)Th
D)Rn
E)At
Rn.A)
PoB)
RaC)
ThD)
RnE)
At Unlock Deck
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9
Which particle has the highest penetrating power?
A)alpha particle
B)beta particle
C)gamma particle
D)positron emission
E)electron capture
A)alpha particle
B)beta particle
C)gamma particle
D)positron emission
E)electron capture
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10
Describe what changes occur during alpha decay.
A)The mass number and atomic number decrease.
B)The mass number and atomic number increase.
C)The mass number is unchanged and the atomic number decreases.
D)The mass number is unchanged and the atomic number increases.
E)The mass number and atomic number do not change.
A)The mass number and atomic number decrease.
B)The mass number and atomic number increase.
C)The mass number is unchanged and the atomic number decreases.
D)The mass number is unchanged and the atomic number increases.
E)The mass number and atomic number do not change.
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11
Describe what changes occur during positron emission.
A)The mass number and atomic number decrease.
B)The mass number and atomic number increase.
C)The mass number is unchanged and the atomic number decreases.
D)The mass number is unchanged and the atomic number increases.
E)The mass number and atomic number do not change.
A)The mass number and atomic number decrease.
B)The mass number and atomic number increase.
C)The mass number is unchanged and the atomic number decreases.
D)The mass number is unchanged and the atomic number increases.
E)The mass number and atomic number do not change.
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12
Which particle has the highest ionizing power?
A)alpha particle
B)beta particle
C)gamma particle
D)positron emission
E)electron capture
A)alpha particle
B)beta particle
C)gamma particle
D)positron emission
E)electron capture
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13
Determine the identity of the daughter nuclide from the alpha decay of Po.
A)Po
B)Hg
C)At
D)Pb
E)Rn
Po.A)
PoB)
HgC)
AtD)
PbE)
Rn Unlock Deck
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14
Describe what changes occur during electron capture.
A)The mass number and atomic number decrease.
B)The mass number and atomic number increase.
C)The mass number is unchanged and the atomic number decreases.
D)The mass number is unchanged and the atomic number increases.
E)The mass number and atomic number do not change.
A)The mass number and atomic number decrease.
B)The mass number and atomic number increase.
C)The mass number is unchanged and the atomic number decreases.
D)The mass number is unchanged and the atomic number increases.
E)The mass number and atomic number do not change.
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15
Which of the following statements are true?
A)Gamma rays have the lowest ionizing power of any radioactivity.
B)Alpha radiation has the highest penetrating power of any radioactivity.
C)Beta emitters will do more damage than alpha emitters within the body.
D)Beta radiation has the highest ionizing power of any radioactivity.
E)None of the above are true.
A)Gamma rays have the lowest ionizing power of any radioactivity.
B)Alpha radiation has the highest penetrating power of any radioactivity.
C)Beta emitters will do more damage than alpha emitters within the body.
D)Beta radiation has the highest ionizing power of any radioactivity.
E)None of the above are true.
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16
Write a nuclear equation for the alpha decay of Pu.
A)
B)
C)
D)
E)
Pu.A)
B)
C)
D)
E)
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17
Determine the identity of the daughter nuclide from the alpha decay of Ra.
A)Fr
B)Ac
C)Po
D)Th
E)Rn
Ra.A)
FrB)
AcC)
PoD)
ThE)
Rn Unlock Deck
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18
Write a nuclear equation for the alpha decay of U.
A)
B)
C)
D)
E)
U.A)
B)
C)
D)
E)
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19
Which of the following statements is/are true?
A)Positrons are similar in ionizing power and penetrating power to beta particles.
B)A positron is the antiparticle of the electron.
C)Beta decay occurs when a neutron changes into a proton while emitting an electron.
D)An alpha particle is a helium 2+ ion.
E)All of the above are true.
A)Positrons are similar in ionizing power and penetrating power to beta particles.
B)A positron is the antiparticle of the electron.
C)Beta decay occurs when a neutron changes into a proton while emitting an electron.
D)An alpha particle is a helium 2+ ion.
E)All of the above are true.
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20
Determine the identity of the daughter nuclide from the alpha decay of Th.
A)U
B)Pa
C)Ra
D)Ac
E)Th
Th.A)
UB)
PaC)
RaD)
AcE)
Th Unlock Deck
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21
Determine the identity of the daughter nuclide from the positron emission of O.
A)C
B)F
C)N
D)N
E)C
O.A)
CB)
FC)
ND)
NE)
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22
Determine the identity of the daughter nuclide from the positron emission of C.
A)B
B)N
C)C
D)B
E)N
C.A)
BB)
NC)
CD)
BE)
N Unlock Deck
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23
Determine the identity of the daughter nuclide from the beta decay of Tc.
A)Ru
B)Rh
C)Nb
D)Mo
E)Ru
Tc.A)
RuB)
RhC)
NbD)
MoE)
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24
The following reaction represents what nuclear process?
Am →He +Np
A)beta emission
B)neutron bombardment
C)alpha emission
D)electron capture
E)positron emission
Am →He +NpA)beta emission
B)neutron bombardment
C)alpha emission
D)electron capture
E)positron emission
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25
Identify the missing particle in the following nuclear equation:
Pb →E + ?
A)Bi
B)Tl
C)Pb
D)Pb
E)Tl
Pb →E + ?A)
BiB)
TlC)
PbD)
PbE)
Tl Unlock Deck
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26
Determine the identity of the daughter nuclide from the electron capture by Fe.
A)Co
B)Mn
C)Co
D)Mn
E)Cr
Fe.A)
CoB)
MnC)
CoD)
MnE)
Cr Unlock Deck
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27
Determine the identity of the daughter nuclide from the positron emission of N.
A)O
B)C
C)O
D)B
E)F
N.A)
OB)
CC)
OD)
BE)
F Unlock Deck
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28
Determine the identity of the daughter nuclide from the positron emission of F.
A)Na
B)F
C)N
D)O
E)Ne
F.A)
NaB)
FC)
ND)
OE)
Ne Unlock Deck
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29
Determine the identity of the daughter nuclide from the beta decay of Pb.
A)Pt
B)Tl
C)Hg
D)Bi
E)Pb
Pb.A)
PtB)
TlC)
HgD)
BiE)
Pb Unlock Deck
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30
Determine the identity of the daughter nuclide from the electron capture by Cl.
A)Ar
B)K
C)S
D)P
E)Ar
Cl.A)
ArB)
KC)
SD)
PE)
Ar Unlock Deck
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31
The following reaction represents what nuclear process?
Pb →E +Bi
A)alpha emission
B)gamma emission
C)electron capture
D)neutron bombardment
E)beta emission
Pb →E +BiA)alpha emission
B)gamma emission
C)electron capture
D)neutron bombardment
E)beta emission
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32
Determine the identity of the daughter nuclide from the beta decay of Sr.
A)Sr
B)Y
C)Y
D)Kr
E)Se
Sr.A)
SrB)
YC)
YD)
KrE)
Se Unlock Deck
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33
Determine the identity of the daughter nuclide from the positron emission of Ge.
A)Ga
B)As
C)Zn
D)As
E)Ga
Ge.A)
GaB)
AsC)
ZnD)
AsE)
Ga Unlock Deck
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34
Determine the identity of the daughter nuclide from the beta decay of C.
A)N
B)Be
C)N
D)C
E)B
C.A)
NB)
BeC)
ND)
CE)
B Unlock Deck
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35
Identify the missing particle in the following nuclear equation:
Th →He + ?
A)U
B)Ac
C)Ac
D)Ra
E)Ra
Th →He + ?A)
UB)
AcC)
AcD)
RaE)
Ra Unlock Deck
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36
Determine the identity of the daughter nuclide from the beta decay of P.
A)P
B)S
C)S
D)Si
E)Al
P.A)
PB)
SC)
SD)
SiE)
Al Unlock Deck
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37
Determine the identity of the daughter nuclide from the electron capture by Rb.
A)Kr
B)Sr
C)Br
D)Y
E)Kr
Rb.A)
KrB)
SrC)
BrD)
YE)
Kr Unlock Deck
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38
Determine the identity of the daughter nuclide from the electron capture by Be.
A)C
B)He
C)B
D)Li
E)B
Be.A)
CB)
HeC)
BD)
LiE)
B Unlock Deck
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39
The following reaction represents what nuclear process?
Cs +E → Xe
A)beta emission
B)positron emission
C)gamma emission
D)electron capture
E)alpha capture
Cs +E → XeA)beta emission
B)positron emission
C)gamma emission
D)electron capture
E)alpha capture
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40
Determine the identity of the daughter nuclide from the electron capture by Pa.
A)Th
B)Np
C)Ac
D)U
E)Th
Pa.A)
ThB)
NpC)
AcD)
UE)
Th Unlock Deck
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41
Nuclides below the valley of stability can become more stable through which of the following processes?
A)gamma emission
B)beta emission
C)positron emission
D)neutron emission
E)neutron bombardment
A)gamma emission
B)beta emission
C)positron emission
D)neutron emission
E)neutron bombardment
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42
Fluorine-18 undergoes positron emission with a half-life of 1.10 × 102 minutes.If a patient is given a 248 mg dose for a PET scan,how long will it take for the amount of fluorine-18 to drop to 83 mg? (Assume that none of the fluorine is excreted from the body. )
A)99 minutes
B)1.74 × 102 minutes
C)1.32 × 102 minutes
D)3.00 × 102 minutes
E)2.11 × 102 minutes
A)99 minutes
B)1.74 × 102 minutes
C)1.32 × 102 minutes
D)3.00 × 102 minutes
E)2.11 × 102 minutes
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43
Identify the elements used in radiometric dating.
A)Carbon-14 to nitrogen-14.
B)Uranium-238 to lead-206.
C)Potassium-40 to argon-40.
D)None of the above.
E)All of the above.
A)Carbon-14 to nitrogen-14.
B)Uranium-238 to lead-206.
C)Potassium-40 to argon-40.
D)None of the above.
E)All of the above.
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44
Determine the half-life of a nuclide that loses 38.0% of its mass in 387 hours.
A)277 hours
B)455 hour
C)561 hours
D)639 hours
E)748 hours
A)277 hours
B)455 hour
C)561 hours
D)639 hours
E)748 hours
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45
Which of the following nuclides are most likely to decay via beta decay?
A)I-126
B)Al-24
C)N-13
D)Cs-137
E)Na-20
A)I-126
B)Al-24
C)N-13
D)Cs-137
E)Na-20
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46
Which of the following nuclides are most likely to decay via positron emission?
A)Na-26
B)I-121
C)Ca-42
D)S-30
E)Sb-122
A)Na-26
B)I-121
C)Ca-42
D)S-30
E)Sb-122
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47
Which of the following nuclides are most likely to decay via beta decay?
A)I-131
B)Ar-40
C)F-18
D)Zr-90
E)Pb-206
A)I-131
B)Ar-40
C)F-18
D)Zr-90
E)Pb-206
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48
A geological sample is found to have a Pb-206/U-238 mass ratio of 0.337/1.00.Assuming there was no Pb-206 present when the sample was formed,how old is it? The half-life of U-238 is 4.5 × 109 years.
A)7.3 × 1011 years
B)1.4 × 1010 years
C)2.4 × 1010 years
D)2.1 × 109 years
E)7.1 × 109 years
A)7.3 × 1011 years
B)1.4 × 1010 years
C)2.4 × 1010 years
D)2.1 × 109 years
E)7.1 × 109 years
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49
Which of the following nuclides are most likely to decay via positron emission?
A)Cs-137
B)I-131
C)Al-24
D)K-42
E)N-14
A)Cs-137
B)I-131
C)Al-24
D)K-42
E)N-14
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50
The following reaction represents what nuclear process?
U +N →Ba +Kr + 3N
A)nuclear fission
B)nuclear fusion
C)electron capture
D)alpha decay
E)beta emission
U +N →Ba +Kr + 3NA)nuclear fission
B)nuclear fusion
C)electron capture
D)alpha decay
E)beta emission
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51
The age of an ancient tree trunk is estimated using radiocarbon dating.If the trunk has a C-14 decay rate that is 34% of what it is in living plants,how old is the trunk? The half-life of C-14 is 5730 years.
A)2.92 × 104 years
B)1.94 × 104 years
C)8.92 × 103 years
D)5.31 × 103 years
E)1.74 × 102 years
A)2.92 × 104 years
B)1.94 × 104 years
C)8.92 × 103 years
D)5.31 × 103 years
E)1.74 × 102 years
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52
Nuclides above the valley of stability can become more stable through which of the following processes?
A)beta emission
B)positron emission
C)alpha emission
D)electron capture
E)neutron bombardment
A)beta emission
B)positron emission
C)alpha emission
D)electron capture
E)neutron bombardment
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53
Stable isotopes,with low atomic numbers,have a N/Z ratio of 1.What does that imply?
A)The number of neutrons equals the number of protons.
B)The number of neutrons equals the number of electrons plus protons.
C)The number of protons equals the number of electrons.
D)The atomic number equals the atomic mass.
E)The number of protons equals the number of electrons plus neutrons.
A)The number of neutrons equals the number of protons.
B)The number of neutrons equals the number of electrons plus protons.
C)The number of protons equals the number of electrons.
D)The atomic number equals the atomic mass.
E)The number of protons equals the number of electrons plus neutrons.
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54
Identify the missing particle in the following nuclear equation:
U → ? +He + 2Γ
A)Th
B)Ra
C)Pu
D)Th
E)Ra
U → ? +He + 2ΓA)
ThB)
RaC)
PuD)
ThE)
Ra Unlock Deck
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55
Identify the missing particle in the following nuclear equation:
H +H →He + ?+Γ
A)E
B)N
C)E
D)H
E)Γ
H +H →He + ?+ΓA)
EB)
NC)
ED)
HE)
Γ Unlock Deck
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56
Above what atomic number are there no stable isotopes of any element?
A)20
B)92
C)83
D)40
E)89
A)20
B)92
C)83
D)40
E)89
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57
The nuclide As-76 has a half-life of 26.0 hours.If a sample of As-76 weighs 344 g,what mass of As-76 remains after 538 minutes?
A)67.8 g
B)271 g
C)144 g
D)437 g
E)251 g
A)67.8 g
B)271 g
C)144 g
D)437 g
E)251 g
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58
Which of the following statements are true?
A)If N/Z ratio is too high,there are too many protons and the nuclide will undergo positron emission or electron capture.
B)If N/Z ratio lies somewhere below 1,the nuclide is stable.
C)If N/Z ratio is too low,there are too many neutrons and the nuclide will undergo beta decay.
D)The valley of stability is the geographic location where many of the known nuclides were first discovered.
E)None of the above are true.
A)If N/Z ratio is too high,there are too many protons and the nuclide will undergo positron emission or electron capture.
B)If N/Z ratio lies somewhere below 1,the nuclide is stable.
C)If N/Z ratio is too low,there are too many neutrons and the nuclide will undergo beta decay.
D)The valley of stability is the geographic location where many of the known nuclides were first discovered.
E)None of the above are true.
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59
Write a nuclear equation to describe the spontaneous fission of
Am to form I-134 and Mo-107.Determine how many neutrons are produced in the reaction.
A)0
B)1
C)2
D)3
E)4
Am to form I-134 and Mo-107.Determine how many neutrons are produced in the reaction.A)0
B)1
C)2
D)3
E)4
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60
Identify the missing particle in the following nuclear equation:
U →Sr + ? +2N + 4Γ
A)Te
B) Xe
C) Xe
D)Te
E)Sr
U →Sr + ? +2N + 4ΓA)
TeB)
XeC)
XeD)
TeE)
Sr Unlock Deck
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61
Identify the symptom that is not from radiation exposure.
A)increased white cell count
B)increased cancer risk
C)death
D)genetic effects
E)weaker immune systems
A)increased white cell count
B)increased cancer risk
C)death
D)genetic effects
E)weaker immune systems
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62
Match the following.
electron
A) γ
B) p
C) n
D) e
E) He
F) e
electron
A)
γB)
pC)
nD)
eE)
HeF)
e Unlock Deck
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63
Match the following.
neutron
A) γ
B) p
C) n
D) e
E) He
F) e
neutron
A)
γB)
pC)
nD)
eE)
HeF)
e Unlock Deck
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64
Describe what is meant by the "valley of stability."
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65
Write a nuclear equation to describe the neutron induced fission of U-235 to form Xe-134 and Sr-100.Determine how many neutrons are produced in the reaction.
A)4
B)3
C)1
D)0
E)2
A)4
B)3
C)1
D)0
E)2
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66
Why is an alpha emitter much more harmful if ingested?
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67
Match the following.
positron
A) γ
B) p
C) n
D) e
E) He
F) e
positron
A)
γB)
pC)
nD)
eE)
HeF)
e Unlock Deck
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68
Identify the element that is not used as a radioactive tracer.
A)iron-59
B)phosphorus-32
C)thallium-201
D)iodine-131
E)carbon-13
A)iron-59
B)phosphorus-32
C)thallium-201
D)iodine-131
E)carbon-13
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69
Match the following.
proton
A) γ
B) p
C) n
D) e
E) He
F) e
proton
A)
γB)
pC)
nD)
eE)
HeF)
e Unlock Deck
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70
Explain how radiation increases cancer risk.
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71
The following reaction represents what nuclear process?
H +H →He +N
A)nuclear fusion
B)alpha emission
C)beta emission
D)nuclear fission
E)neutron capture
H +H →He +NA)nuclear fusion
B)alpha emission
C)beta emission
D)nuclear fission
E)neutron capture
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72
Determine the binding energy of an O-16 nucleus.The O-16 nucleus has a mass of 15.9905 amu.A proton has a mass of 1.00728 amu,a neutron has a mass of 1.008665 amu,and 1 amu is equivalent to 931 MeV of energy.
A)8.84 MeV
B)128 MeV
C)138 MeV
D)78.1 MeV
E)38.2 MeV
A)8.84 MeV
B)128 MeV
C)138 MeV
D)78.1 MeV
E)38.2 MeV
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73
What is the "mass defect"?
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74
Explain the concept of "magic numbers."
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75
Calculate the mass defect in Fe-56 if the mass of an Fe-56 nucleus is 55.921 amu.The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu.
A)0.528 amu
B)3.507 amu
C)0.564 amu
D)1.056 amu
E)0.079 amu
A)0.528 amu
B)3.507 amu
C)0.564 amu
D)1.056 amu
E)0.079 amu
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76
Match the following.
gamma ray
A) γ
B) p
C) n
D) e
E) He
F) e
gamma ray
A)
γB)
pC)
nD)
eE)
HeF)
e Unlock Deck
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77
Identify the energy source of the stars.
A)nuclear fusion
B)alpha emission
C)beta emission
D)nuclear fission
E)neutron capture
A)nuclear fusion
B)alpha emission
C)beta emission
D)nuclear fission
E)neutron capture
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78
Match the following.
beta particle
A) γ
B) p
C) n
D) e
E) He
F) e
beta particle
A)
γB)
pC)
nD)
eE)
HeF)
e Unlock Deck
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79
Match the following.
alpha particle
A) γ
B) p
C) n
D) e
E) He
F) e
alpha particle
A)
γB)
pC)
nD)
eE)
HeF)
e Unlock Deck
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80
Write a nuclear equation to describe the neutron induced fission of Pu to form
Kr and Ce.Determine how many neutrons are produced in the reaction.
A)2
B)0
C)3
D)1
E)4
Pu to form Kr and Ce.Determine how many neutrons are produced in the reaction.A)2
B)0
C)3
D)1
E)4
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