Question 1

Which equation correctly represents positron decay of   ?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)    E

Question 2

What is the nuclear process called in which a heavy nuclear of mass number greater than 200 divides to form smaller nuclei of intermediate mass and one or more neutron(s)?

Accepted Answer

A) Photonuclear reactions 
B) Nuclear fission 
C) Thermal conductivity 
D) Nuclear combination 
E) Nuclear fusion 
A) Photonuclear reactions 
B) Nuclear fission 
C) Thermal conductivity 
D) Nuclear combination 
E) Nuclear fusion B

Question 3

In the equation below, what particle or type of radiation needs to be included to balance the equation? 208Po → ? + 208At

Accepted Answer

A) Gamma particle 
B) Alpha particle 
C) Proton 
D) Beta particle 
E) Positron 
A) Gamma particle 
B) Alpha particle 
C) Proton 
D) Beta particle 
E) Positron D

Question 4

Alpha particles are identical to

Accepted Answer

A) protons. 
B) helium atoms. 
C) hydrogen atoms. 
D) helium nuclei. 
E) electrons. 
A) protons. 
B) helium atoms. 
C) hydrogen atoms. 
D) helium nuclei. 
E) electrons.

Question 5

Identify the missing species in the following nuclear transmutation.

Accepted Answer

A)    
B)    
C)    
D)    
E) None of the answers is correct. 
A)    
B)    
C)    
D)    
E) None of the answers is correct.

Question 6

Cobalt-60 is a beta emitter with a half-life of 5.3 years.Approximately what fraction of cobalt-60 atoms will remain in a particular sample after 26.5 years?

Accepted Answer

A) 1/5 
B) 1/16 
C) 1/26 
D) 1/32 
E) 1/64 
A) 1/5 
B) 1/16 
C) 1/26 
D) 1/32 
E) 1/64

Question 7

In the equation below, what particle or type of radiation needs to be included to balance the equation? 234Th → ? + beta particle

Accepted Answer

A) Ac-234 
B) Pa-234 
C) Ac-235 
D) Pa-235 
E) Ac-233 
A) Ac-234 
B) Pa-234 
C) Ac-235 
D) Pa-235 
E) Ac-233

Question 8

The energy released by the sun is the result of

Accepted Answer

A) natural radioactivity. 
B) nuclear fusion. 
C) combustion of hydrogen. 
D) photosynthesis. 
E) nuclear fission. 
A) natural radioactivity. 
B) nuclear fusion. 
C) combustion of hydrogen. 
D) photosynthesis. 
E) nuclear fission.

Question 9

Iodine-131, t1/2 = 8.0 days, is used in the diagnosis and treatment of thyroid gland diseases.If a laboratory sample of iodine-131 initially emits 9.95 × 1018 β particles per day, how long will it take for the activity to drop to 6.22 × 1017 β particles per day?

Accepted Answer

A) 2.0 days 
B) 16 days 
C) 32 days 
D) 128 days 
E) None of the answers is correct. 
A) 2.0 days 
B) 16 days 
C) 32 days 
D) 128 days 
E) None of the answers is correct.

Question 10

Which type of nuclear process requires an extremely high temperature (millions of degrees)?

Accepted Answer

A) Beta decay 
B) Fission reaction 
C) Fusion reaction 
D) Alpha decay 
E) Positron emission 
A) Beta decay 
B) Fission reaction 
C) Fusion reaction 
D) Alpha decay 
E) Positron emission

Question 11

What is the missing symbol in this plutonium fission reaction?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 12

Charcoal found under a stone at Stonehenge, England, has a carbon-14 activity that is 0.60 that of new wood.How old is the charcoal? (The half-life of carbon-14 is 5730 years.)

Accepted Answer

A) Less than 5730 yr 
B) Between 5730 and 11,460 yr 
C) Between 11,460 and 17,190 yr 
D) More than 17,190 yr 
A) Less than 5730 yr 
B) Between 5730 and 11,460 yr 
C) Between 11,460 and 17,190 yr 
D) More than 17,190 yr

Question 13

Which of the following is used to test the activity of the thyroid?

Accepted Answer

A) (18O) 
B) (131I) 
C) (123I) 
D) (24Na) 
E) (99Tc) 
A) (18O) 
B) (131I) 
C) (123I) 
D) (24Na) 
E) (99Tc)

Question 14

In the equation below, what particle or type of radiation needs to be included to balance the equation? 208Pb → ? + 204Hg

Accepted Answer

A) Gamma particle 
B) Alpha particle 
C) Proton 
D) Beta particle 
E) Positron 
A) Gamma particle 
B) Alpha particle 
C) Proton 
D) Beta particle 
E) Positron

Question 15

As a result of beta decay, the product nucleus is

Accepted Answer

A) one atomic number lower than the original element. 
B) two atomic numbers higher than the original element. 
C) one atomic number higher than the original element. 
D) two atomic numbers lower than the original element. 
E) four atomic numbers lower than the original element. 
A) one atomic number lower than the original element. 
B) two atomic numbers higher than the original element. 
C) one atomic number higher than the original element. 
D) two atomic numbers lower than the original element. 
E) four atomic numbers lower than the original element.

Question 16

Uranium-235 decays by alpha emission.What isotope is also produced by this transformation?

Accepted Answer

A) Pa-234 
B) Th-237 
C) Pu-237 
D) Th-231 
E) Pu-239 
A) Pa-234 
B) Th-237 
C) Pu-237 
D) Th-231 
E) Pu-239

Question 17

What is the name for spontaneous emission of particles or electromagnetic radiation by certain nuclei?

Accepted Answer

A) Protons 
B) Isotopes 
C) Radioactivity 
D) Neutrons 
E) Electrons 
A) Protons 
B) Isotopes 
C) Radioactivity 
D) Neutrons 
E) Electrons

Question 18

In the following reaction, identify X.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 19

Which of the following is used to image the liver?

Accepted Answer

A) (18O) 
B) (131I) 
C) (123I) 
D) (24Na) 
E) (99Tc) 
A) (18O) 
B) (131I) 
C) (123I) 
D) (24Na) 
E) (99Tc)

Question 20

Which of the following is used to image the heart?

Accepted Answer

A) (18O) 
B) (131I) 
C) (123I) 
D) (24Na) 
E) (99Tc) 
A) (18O) 
B) (131I) 
C) (123I) 
D) (24Na) 
E) (99Tc)

Which equation correctly represents positron decay of ?

What is the nuclear process called in which a heavy nuclear of mass number greater than 200 divides to form smaller nuclei of intermediate mass and one or more neutron(s)?

In the equation below, what particle or type of radiation needs to be included to balance the equation? ²⁰⁸Po → ? + ²⁰⁸At

Alpha particles are identical to

Identify the missing species in the following nuclear transmutation.

Cobalt-60 is a beta emitter with a half-life of 5.3 years.Approximately what fraction of cobalt-60 atoms will remain in a particular sample after 26.5 years?

In the equation below, what particle or type of radiation needs to be included to balance the equation? ²³⁴Th → ? + beta particle

The energy released by the sun is the result of

Iodine-131, t_1/2 = 8.0 days, is used in the diagnosis and treatment of thyroid gland diseases.If a laboratory sample of iodine-131 initially emits 9.95 × 10¹⁸ β particles per day, how long will it take for the activity to drop to 6.22 × 10¹⁷ β particles per day?

Which type of nuclear process requires an extremely high temperature (millions of degrees)?

What is the missing symbol in this plutonium fission reaction?

Charcoal found under a stone at Stonehenge, England, has a carbon-14 activity that is 0.60 that of new wood.How old is the charcoal? (The half-life of carbon-14 is 5730 years.)

Which of the following is used to test the activity of the thyroid?

In the equation below, what particle or type of radiation needs to be included to balance the equation? ²⁰⁸Pb → ? + ²⁰⁴Hg

As a result of beta decay, the product nucleus is

Uranium-235 decays by alpha emission.What isotope is also produced by this transformation?

What is the name for spontaneous emission of particles or electromagnetic radiation by certain nuclei?

In the following reaction, identify X.

Which of the following is used to image the liver?

Which of the following is used to image the heart?

Atoms and Elements

Electrons and the Periodic Table

Compounds and Chemical Bonds

How Chemists Use Numbers

The Mole and Chemical Formulas

Molecular Shape

Solids, Liquids, and Phase Changes

Gases

Physical Properties of Solutions

Chemical Reactions and Chemical Equations

Using Balanced Chemical Equations

Acids and Bases

Equilibrium

Organic Chemistry

Biochemistry

Electrochemistry

Filters

Exam 16: Nuclear Chemistry

Which equation correctly represents positron decay of ?

What is the nuclear process called in which a heavy nuclear of mass number greater than 200 divides to form smaller nuclei of intermediate mass and one or more neutron(s)?

In the equation below, what particle or type of radiation needs to be included to balance the equation? 208Po → ? + 208At

Alpha particles are identical to

Identify the missing species in the following nuclear transmutation.

Cobalt-60 is a beta emitter with a half-life of 5.3 years.Approximately what fraction of cobalt-60 atoms will remain in a particular sample after 26.5 years?

In the equation below, what particle or type of radiation needs to be included to balance the equation? 234Th → ? + beta particle

The energy released by the sun is the result of

Iodine-131, t1/2 = 8.0 days, is used in the diagnosis and treatment of thyroid gland diseases.If a laboratory sample of iodine-131 initially emits 9.95 × 1018 β particles per day, how long will it take for the activity to drop to 6.22 × 1017 β particles per day?

Which type of nuclear process requires an extremely high temperature (millions of degrees)?

What is the missing symbol in this plutonium fission reaction?

Charcoal found under a stone at Stonehenge, England, has a carbon-14 activity that is 0.60 that of new wood.How old is the charcoal? (The half-life of carbon-14 is 5730 years.)

Which of the following is used to test the activity of the thyroid?

In the equation below, what particle or type of radiation needs to be included to balance the equation? 208Pb → ? + 204Hg

As a result of beta decay, the product nucleus is

Uranium-235 decays by alpha emission.What isotope is also produced by this transformation?

What is the name for spontaneous emission of particles or electromagnetic radiation by certain nuclei?

In the following reaction, identify X.

Which of the following is used to image the liver?

Which of the following is used to image the heart?

Atoms and Elements

Electrons and the Periodic Table

Compounds and Chemical Bonds

How Chemists Use Numbers

The Mole and Chemical Formulas

Molecular Shape

Solids, Liquids, and Phase Changes

Gases

Physical Properties of Solutions

Chemical Reactions and Chemical Equations

Using Balanced Chemical Equations

Acids and Bases

Equilibrium

Organic Chemistry

Biochemistry

Electrochemistry

Filters

In the equation below, what particle or type of radiation needs to be included to balance the equation? ²⁰⁸Po → ? + ²⁰⁸At

In the equation below, what particle or type of radiation needs to be included to balance the equation? ²³⁴Th → ? + beta particle

Iodine-131, t_1/2 = 8.0 days, is used in the diagnosis and treatment of thyroid gland diseases.If a laboratory sample of iodine-131 initially emits 9.95 × 10¹⁸ β particles per day, how long will it take for the activity to drop to 6.22 × 10¹⁷ β particles per day?

In the equation below, what particle or type of radiation needs to be included to balance the equation? ²⁰⁸Pb → ? + ²⁰⁴Hg