Question 1

How does a dosimeter measure exposure to radioactivity?

Accepted Answer

A dosimeter is usually a piece of photog

Question 2

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

Accepted Answer

A)    Tb 
B)    Er 
C)    Ho 
D)    Gd 
E)    Dy 
A)    Tb 
B)    Er 
C)    Ho 
D)    Gd 
E)    Dy

Question 3

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 4

Iodine-131 undergoes beta emission with a half-life of 8.02 days.If you start with 44.3 mg of the material,how long will it take for the amount of iodine-131 to drop to 15.3 mg?

Accepted Answer

A)  8.02 days 
B)  12.3 days 
C)  23.5 days 
D)  10.8 days 
E)  19.8 days 
A)  8.02 days 
B)  12.3 days 
C)  23.5 days 
D)  10.8 days 
E)  19.8 days

Question 5

Determine the half-life of a nuclide that loses 38.0% of its mass in 427 hours.

Accepted Answer

A)  214 hours 
B)  596 hour 
C)  619 hours 
D)  295 hours 
E)  306 hours 
A)  214 hours 
B)  596 hour 
C)  619 hours 
D)  295 hours 
E)  306 hours

Question 6

Define mass defect.

Accepted Answer

A)  the difference in mass between an atom and the sum of its separate components 
B)  an atom with too many neutrons 
C)  the difference in mass between a radioactive atom and a nonradioactive atom 
D)  energy released in a radioactive reaction 
E)  energy absorbed in a radioactive reaction 
A)  the difference in mass between an atom and the sum of its separate components 
B)  an atom with too many neutrons 
C)  the difference in mass between a radioactive atom and a nonradioactive atom 
D)  energy released in a radioactive reaction 
E)  energy absorbed in a radioactive reaction

Question 7

Complete the following equation of transmutation.   N +   He →   O + ______

Accepted Answer

A)    H 
B)    γ 
C)    H 
D)    H 
E)    n 
A)    H 
B)    γ 
C)    H 
D)    H 
E)    n

Question 8

The following reaction represents what nuclear process?   Pb →   e +   Bi

Accepted Answer

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

Question 9

Identify an alpha particle.

Accepted Answer

A)    e 
B)    n 
C)    e 
D)    He 
E)    γ 
A)    e 
B)    n 
C)    e 
D)    He 
E)    γ

Question 10

Identify the necessary components for a nuclear fusion reactor.

Accepted Answer

A)  two light elements 
B)  extremely high temperatures 
C)  strong magnetic fields 
D)  all of the above 
E)  none of the above 
A)  two light elements 
B)  extremely high temperatures 
C)  strong magnetic fields 
D)  all of the above 
E)  none of the above

Question 11

Determine the binding energy per nucleon of an Mg-24 nucleus.The Mg-24 nucleus has a mass of 23.985054 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.

Accepted Answer

A)  0.3050 MeV 
B)  8.83 MeV 
C)  0.113 MeV 
D)  106 MeV 
E)  4.41 MeV 
A)  0.3050 MeV 
B)  8.83 MeV 
C)  0.113 MeV 
D)  106 MeV 
E)  4.41 MeV

Question 12

Determine the identity of the daughter nuclide from the electron capture by   Pa.

Accepted Answer

A)    Th 
B)    Np 
C)    Ac 
D)    U 
E)    Th 
A)    Th 
B)    Np 
C)    Ac 
D)    U 
E)    Th

Question 13

Above what atomic number are there no stable isotopes of any element?

Accepted Answer

A)  20 
B)  92 
C)  83 
D)  60 
E)  89 
A)  20 
B)  92 
C)  83 
D)  60 
E)  89

Question 14

Which of the following is a transuranium element?

Accepted Answer

A)  Cf 
B)  U 
C)  Rn 
D)  Ra 
E)  Sr 
A)  Cf 
B)  U 
C)  Rn 
D)  Ra 
E)  Sr

Question 15

Identify the common radiotracers used in the diagnosis of medical problems.

Accepted Answer

A)  fluorine-18 
B)  iodine-131 
C)  thallium-201 
D)  iron-59 
E)  all of the above 
A)  fluorine-18 
B)  iodine-131 
C)  thallium-201 
D)  iron-59 
E)  all of the above

Question 16

The splitting of a heavy nucleus to form two or more lighter ones is called

Accepted Answer

A)  radioactive cleavage. 
B)  nuclear fission. 
C)  nuclear fusion. 
D)  radioactive merge. 
E)  half life. 
A)  radioactive cleavage. 
B)  nuclear fission. 
C)  nuclear fusion. 
D)  radioactive merge. 
E)  half life.

How does a dosimeter measure exposure to radioactivity?

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

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?

Iodine-131 undergoes beta emission with a half-life of 8.02 days.If you start with 44.3 mg of the material,how long will it take for the amount of iodine-131 to drop to 15.3 mg?

Determine the half-life of a nuclide that loses 38.0% of its mass in 427 hours.

Define mass defect.

Complete the following equation of transmutation. N + He → O + ______

The following reaction represents what nuclear process? Pb → e + Bi

Identify an alpha particle.

Identify the necessary components for a nuclear fusion reactor.

Determine the binding energy per nucleon of an Mg-24 nucleus.The Mg-24 nucleus has a mass of 23.985054 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.

Determine the identity of the daughter nuclide from the electron capture by Pa.

Above what atomic number are there no stable isotopes of any element?

Which of the following is a transuranium element?

Identify the common radiotracers used in the diagnosis of medical problems.

The splitting of a heavy nucleus to form two or more lighter ones is called

Essentials: Units, Measurements, and Problem Solving

Atoms

The Quantum Mechanical Model of the Atom

Periodic Properties of the Elements

Molecules and Compounds

Chemical Bonding I

Chemical Bonding Ii

Chemical Reactions and Chemical Quantities

Introduction to Solutions and Aqueous Reactions

Thermochemistry

Gases

Liquids, Solids, and Intermolecular Forces

Crystalline Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Organic Chemistry

Transition Metals and Coordination Compounds

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Exam 21: Radioactivity and Nuclear Chemistry

How does a dosimeter measure exposure to radioactivity?

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

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?

Iodine-131 undergoes beta emission with a half-life of 8.02 days.If you start with 44.3 mg of the material,how long will it take for the amount of iodine-131 to drop to 15.3 mg?

Determine the half-life of a nuclide that loses 38.0% of its mass in 427 hours.

Define mass defect.

Complete the following equation of transmutation. N + He → O + ______

The following reaction represents what nuclear process? Pb → e + Bi

Identify an alpha particle.

Identify the necessary components for a nuclear fusion reactor.

Determine the binding energy per nucleon of an Mg-24 nucleus.The Mg-24 nucleus has a mass of 23.985054 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.

Determine the identity of the daughter nuclide from the electron capture by Pa.

Above what atomic number are there no stable isotopes of any element?

Which of the following is a transuranium element?

Identify the common radiotracers used in the diagnosis of medical problems.

The splitting of a heavy nucleus to form two or more lighter ones is called

Essentials: Units, Measurements, and Problem Solving

Atoms

The Quantum Mechanical Model of the Atom

Periodic Properties of the Elements

Molecules and Compounds

Chemical Bonding I

Chemical Bonding Ii

Chemical Reactions and Chemical Quantities

Introduction to Solutions and Aqueous Reactions

Thermochemistry

Gases

Liquids, Solids, and Intermolecular Forces

Crystalline Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Organic Chemistry

Transition Metals and Coordination Compounds

Filters