Question 1

One of the symbols for a beta particle is   .

Accepted Answer

A) True 
 B)False  False

Question 2

An individual would have to work from behind a special, thick protective wall when which kind of an emitter is involved?

Accepted Answer

A) alpha 
B) beta 
C) gamma 
D) free radicals 
A) alpha 
B) beta 
C) gamma 
D) free radicals C

Question 3

Extensive use of an MRI should be avoided as it is a source of significant nuclear radiation exposure.

Accepted Answer

A) True 
 B)False  False

Question 4

Technetium-99m is used in medical diagnosis by injecting a solution and watch for the pattern of emissions. A 0.325 g sample was injected into a person, and the emission rate indicates that there are approximately 0.01016 grams of Tc-99 left. How much time has passed since the injection? Tc-99 has a half-life of 6 hours.

Accepted Answer

A) 24 hours 
B) 30 hours 
C) 36 hours 
D) Not enough data. 
A) 24 hours 
B) 30 hours 
C) 36 hours 
D) Not enough data.

Question 5

What are some of the symptoms of radiation sickness?

Accepted Answer

A) hemorrhage 
B) nausea 
C) anemia 
D) all of them 
A) hemorrhage 
B) nausea 
C) anemia 
D) all of them

Question 6

What characteristic is important in using radioisotope dating for very old items, such as rocks suspected to be over 100,000,000 years old?

Accepted Answer

A) The radioisotope cannot be soluble in water. 
B) The radioisotope must give off light for easy measurement. 
C) The radioisotope in question must decay to another radioisotope. 
D) The radioisotope should have a very long half-life. 
A) The radioisotope cannot be soluble in water. 
B) The radioisotope must give off light for easy measurement. 
C) The radioisotope in question must decay to another radioisotope. 
D) The radioisotope should have a very long half-life.

Question 7

Which is the explanation for the difference between the two isotopes of carbon, C-12 and C-14?

Accepted Answer

A) C-14 contains 2 more protons than does C-12. 
B) C-14 contains 1 proton and 1 neutron more than does C-12. 
C) C-14 contains 2 more neutrons than does C-12. 
D) C-14 contains 2 more electrons than does C-12. 
A) C-14 contains 2 more protons than does C-12. 
B) C-14 contains 1 proton and 1 neutron more than does C-12. 
C) C-14 contains 2 more neutrons than does C-12. 
D) C-14 contains 2 more electrons than does C-12.

Question 8

The new nuclei produced when unstable nuclei undergo radioactive decay is referred to as the _____ .

Accepted Answer

A) father nuclei 
B) daughter nuclei 
C) mother nuclei 
D) neighbor  nuclei 
A) father nuclei 
B) daughter nuclei 
C) mother nuclei 
D) neighbor  nuclei

Question 9

Carbon-14 is only effective in dating an object up to approximately 10 half-lives. The reason is that the speed with which C-14 decays increases after 10 half-lives.

Accepted Answer

A) True 
 B)False

Question 10

Which of the nuclear emissions is of the greatest mass?

Accepted Answer

A) α particles 
B) β particles 
C) neutrons 
D) positrons 
A) α particles 
B) β particles 
C) neutrons 
D) positrons

Question 11

Which of the following consists of a stream of charged particles?

Accepted Answer

A) alpha rays 
B) beta rays 
C) gamma rays 
D) More than one response is correct. 
A) alpha rays 
B) beta rays 
C) gamma rays 
D) More than one response is correct.

Question 12

The greatest threat posed by a nuclear (fission)power plant is

Accepted Answer

A) release of radioactive isotopes when the molten core reaches the water table. 
B) fish kills resulting from use of local rivers for cooling. 
C) having the core melt, ultimately reaching China. 
D) thermonuclear detonation. 
A) release of radioactive isotopes when the molten core reaches the water table. 
B) fish kills resulting from use of local rivers for cooling. 
C) having the core melt, ultimately reaching China. 
D) thermonuclear detonation.

Question 13

​ Explain the approach that is followed by a scintillation counter to detect radiation.

Accepted Answer

Radiation causes certain substances, cal

Question 14

A dose of 600 rem is nearly always fatal.

Accepted Answer

A) True 
 B)False

Question 15

Which of the emissions can be the cause of radiation sickness?

Accepted Answer

A) α particles 
B) β particles 
C) neutrons 
D) all of them 
A) α particles 
B) β particles 
C) neutrons 
D) all of them

Question 16

​ Which of the following laws states that the intensity of radiation decreases as the distance from the source of radiation increases twofold?

Accepted Answer

A) Stefan-Boltzmann law 
B) Wien's displacement law 
C) Universal law 
D) Universal law of radioactive decay 
A) Stefan-Boltzmann law 
B) Wien's displacement law 
C) Universal law 
D) Universal law of radioactive decay

Question 17

Sn-108 undergoes electron capture.  The product of this reaction would be _____ .

Accepted Answer

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

Question 18

Which form of radiation would not be deflected by a magnetic field?

Accepted Answer

A) protons 
B) neutrons 
C) beta particles 
D) positrons 
A) protons 
B) neutrons 
C) beta particles 
D) positrons

Question 19

History's first critical chain reaction took place in an atomic pile. The neutrons from fission reactions caused other fission reactions to occur. What would be the most effective method to stop the fission reaction from proceeding?

Accepted Answer

A) throw water on the pile to cool the reaction 
B) add more neutrons to the reaction 
C) place strong neutron absorbers into the pile 
D) none of the choices 
A) throw water on the pile to cool the reaction 
B) add more neutrons to the reaction 
C) place strong neutron absorbers into the pile 
D) none of the choices

Question 20

Nuclear emissions are passed through a tunnel that has a positive plate on the top and a negative plate on the bottom. Which of the following emissions is deflected the greatest by the electrical field?

Accepted Answer

A) α particles 
B) β particles 
C) neutrons 
D) γ rays 
A) α particles 
B) β particles 
C) neutrons 
D) γ rays

Exam 10: Radioactivity and Nuclear Processes

One of the symbols for a beta particle is .

An individual would have to work from behind a special, thick protective wall when which kind of an emitter is involved?

Extensive use of an MRI should be avoided as it is a source of significant nuclear radiation exposure.

What are some of the symptoms of radiation sickness?

What characteristic is important in using radioisotope dating for very old items, such as rocks suspected to be over 100,000,000 years old?

Which is the explanation for the difference between the two isotopes of carbon, C-12 and C-14?

The new nuclei produced when unstable nuclei undergo radioactive decay is referred to as the _____ .

Carbon-14 is only effective in dating an object up to approximately 10 half-lives. The reason is that the speed with which C-14 decays increases after 10 half-lives.

Which of the nuclear emissions is of the greatest mass?

Which of the following consists of a stream of charged particles?

The greatest threat posed by a nuclear (fission)power plant is

​ Explain the approach that is followed by a scintillation counter to detect radiation.

A dose of 600 rem is nearly always fatal.

Which of the emissions can be the cause of radiation sickness?

​ Which of the following laws states that the intensity of radiation decreases as the distance from the source of radiation increases twofold?

Sn-108 undergoes electron capture. The product of this reaction would be _____ .

Which form of radiation would not be deflected by a magnetic field?

History's first critical chain reaction took place in an atomic pile. The neutrons from fission reactions caused other fission reactions to occur. What would be the most effective method to stop the fission reaction from proceeding?

Nuclear emissions are passed through a tunnel that has a positive plate on the top and a negative plate on the bottom. Which of the following emissions is deflected the greatest by the electrical field?

Matter, Measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, Bases, and Salts

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, Phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

Explain the approach that is followed by a scintillation counter to detect radiation.

Which of the following laws states that the intensity of radiation decreases as the distance from the source of radiation increases twofold?