Question 1

Determine the identity of the daughter nuclide from the beta decay of   Pb.

Accepted Answer

A)    Pt 
B)    Tl 
C)    Hg 
D)    Bi 
E)    Pb 
A)    Pt 
B)    Tl 
C)    Hg 
D)    Bi 
E)    Pb

Question 2

Write a nuclear equation for the alpha decay of   Am.

Accepted Answer

A)    Am →   He +   Np 
B)    Am →   He +   Bk 
C)    Am →   e +   Cm 
D)    
E)    Am →   n +   Am 
A)    Am →   He +   Np 
B)    Am →   He +   Bk 
C)    Am →   e +   Cm 
D)    
E)    Am →   n +   Am

Question 3

Describe what is meant by the "valley of stability."

Accepted Answer

If a plot of number of neutrons vs. numb

Question 4

Which of the following equations shows the correct relationship between the half-life of a nuclide and the radioactive decay rate constant?

Accepted Answer

A)  ln   = -   
B)    = - ln   
C)    = 0.693 × k 
D)    =   
E)    =   
A)  ln   = -   
B)    = - ln   
C)    = 0.693 × k 
D)    =   
E)    =

Question 5

The following reaction represents what nuclear process?

Accepted Answer

A)  nuclear fission 
B)  nuclear fusion 
C)  electron capture 
D)  alpha decay 
E)  beta emission 
A)  nuclear fission 
B)  nuclear fusion 
C)  electron capture 
D)  alpha decay 
E)  beta emission

Question 6

The following reaction represents what nuclear process? \
  H +   H →   He +   n

Accepted Answer

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

Question 7

Which of the following nuclides are most likely to decay via beta decay?

Accepted Answer

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

Question 8

Determine how many neutrons are produced during the neutron-induced fission of   Pu to form   Kr and   Ce.

Accepted Answer

A)  2 
B)  0 
C)  3 
D)  1 
E)  4 
A)  2 
B)  0 
C)  3 
D)  1 
E)  4

Question 9

The following reaction represents what nuclear process? 
  Cs +   e →   Xe

Accepted Answer

A)  beta emission 
B)  positron emission 
C)  gamma emission 
D)  electron capture 
E)  alpha capture 
A)  beta emission 
B)  positron emission 
C)  gamma emission 
D)  electron capture 
E)  alpha capture

Question 10

Match the following.
-proton

Accepted Answer

A)   e 
B)   p 
C)   He 
D)   g 
E)   n
F)  e 
A)   e 
B)   p 
C)   He 
D)   g 
E)   n
F)  e

Question 11

What percentage of a radioactive substance remains after 7.00 half-lives have elapsed?

Accepted Answer

A)  0.391% 
B)  0.78% 
C)  1.56% 
D)  3.12% 
A)  0.391% 
B)  0.78% 
C)  1.56% 
D)  3.12%

Question 12

The following reaction represents which nuclear process?

Accepted Answer

A)  nuclear fission 
B)  nuclear fusion 
C)  electron capture 
D)  alpha decay 
E)  beta emission 
A)  nuclear fission 
B)  nuclear fusion 
C)  electron capture 
D)  alpha decay 
E)  beta emission

Question 13

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?

Accepted Answer

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

Question 14

Determine the identity of the daughter nuclide from the positron emission of   O.

Accepted Answer

A)    C 
B)    F 
C)    N 
D)    N 
E)    C 
A)    C 
B)    F 
C)    N 
D)    N 
E)    C

Question 15

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.)

Accepted Answer

A)  99 minutes 
B)  1.7 × 102 minutes 
C)  1.3 × 102 minutes 
D)  3.0 × 102 minutes 
E)  2.1 × 102 minutes 
A)  99 minutes 
B)  1.7 × 102 minutes 
C)  1.3 × 102 minutes 
D)  3.0 × 102 minutes 
E)  2.1 × 102 minutes

Question 16

Determine the identity of the daughter nuclide from the positron emission of   F.

Accepted Answer

A)    Na 
B)    F 
C)    N 
D)    O 
E)    Ne 
A)    Na 
B)    F 
C)    N 
D)    O 
E)    Ne

Determine the identity of the daughter nuclide from the beta decay of Pb.

Write a nuclear equation for the alpha decay of Am.

Describe what is meant by the "valley of stability."

Which of the following equations shows the correct relationship between the half-life of a nuclide and the radioactive decay rate constant?

The following reaction represents what nuclear process?

Which of the following nuclides are most likely to decay via beta decay?

Determine how many neutrons are produced during the neutron-induced fission of Pu to form Kr and Ce.

The following reaction represents what nuclear process? Cs + e → Xe

Match the following. -proton

What percentage of a radioactive substance remains after 7.00 half-lives have elapsed?

The following reaction represents which nuclear process?

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?

Determine the identity of the daughter nuclide from the positron emission of O.

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.)

Determine the identity of the daughter nuclide from the positron emission of F.

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Organic Chemistry I: Structures

Organic Chemistry Ii: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

Exam 19: Radioactivity and Nuclear Chemistry

Determine the identity of the daughter nuclide from the beta decay of Pb.

Write a nuclear equation for the alpha decay of Am.

Describe what is meant by the "valley of stability."

Which of the following equations shows the correct relationship between the half-life of a nuclide and the radioactive decay rate constant?

The following reaction represents what nuclear process?

The following reaction represents what nuclear process? \ H + H → He + n

Which of the following nuclides are most likely to decay via beta decay?

Determine how many neutrons are produced during the neutron-induced fission of Pu to form Kr and Ce.

The following reaction represents what nuclear process? Cs + e → Xe

Match the following. -proton

What percentage of a radioactive substance remains after 7.00 half-lives have elapsed?

The following reaction represents which nuclear process?

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?

Determine the identity of the daughter nuclide from the positron emission of O.

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.)

Determine the identity of the daughter nuclide from the positron emission of F.

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Organic Chemistry I: Structures

Organic Chemistry Ii: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

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.)