Question 1

Which of the following isotopes can be used to monitor thyroid function?

Accepted Answer

A) .131I 
B) .14C 
C) .3H 
D) .99Tc 
E) .60Co 
A) .131I 
B) .14C 
C) .3H 
D) .99Tc 
E) .60Co

Question 2

Which of these can be considered as the combination of a proton and an electron?

Accepted Answer

A) alpha particle 
B) neutron 
C) beta particle 
D) gamma ray 
E) positron 
A) alpha particle 
B) neutron 
C) beta particle 
D) gamma ray 
E) positron

Question 3

Diagnostic tracers form hot spots when they are prevented from entering diseased tissue.

Accepted Answer

A) True 
 B)False

Question 4

When a radioactive isotope decays into a nucleus which is also unstable and undergoes decay,and this process is repeated several times,the succession of reactions is called a

Accepted Answer

A) decay series. 
B) fission reaction. 
C) fusion reaction. 
D) half-life. 
E) none of these 
A) decay series. 
B) fission reaction. 
C) fusion reaction. 
D) half-life. 
E) none of these

Question 5

Match the following.
-fission

Accepted Answer

A) a unit of measurement of radiation based on the amount of tissue damage; this unit accounts for the different energies of each type of radiation 
B) a unit of measurement of radiation based on the number of radioactive events per unit time 
C) a unit of measurement of radiation based on the amount of ionization caused by the radiation 
D) the joining of small nuclei into a larger nucleus 
E) atoms which undergo spontaneous nuclear decay
F)a succession of spontaneous nuclear decays,often resulting in an atom of lead as the final product
G)a nuclear reaction that continues on its own after initiation because the number of neutrons produced is greater than the number of neutrons consumed
H)a nuclear reaction in which a large nucleus is split into two fragments similar in size with additional small particles released
I)atoms which do not undergo spontaneous nuclear decay
J)a general term which refers to particles found in the nucleus
K)a unit of measurement of radiation based on the amount of energy absorbed by a specific mass of sample 
A) a unit of measurement of radiation based on the amount of tissue damage; this unit accounts for the different energies of each type of radiation 
B) a unit of measurement of radiation based on the number of radioactive events per unit time 
C) a unit of measurement of radiation based on the amount of ionization caused by the radiation 
D) the joining of small nuclei into a larger nucleus 
E) atoms which undergo spontaneous nuclear decay
F)a succession of spontaneous nuclear decays,often resulting in an atom of lead as the final product
G)a nuclear reaction that continues on its own after initiation because the number of neutrons produced is greater than the number of neutrons consumed
H)a nuclear reaction in which a large nucleus is split into two fragments similar in size with additional small particles released
I)atoms which do not undergo spontaneous nuclear decay
J)a general term which refers to particles found in the nucleus
K)a unit of measurement of radiation based on the amount of energy absorbed by a specific mass of sample

Question 6

In a radioactive decay series,a radioisotope decays into another radioisotope successively until a stable nucleus is produced.  
Th begins a decay series that consists of six alpha decays and four beta decays.What is the final stable isotope produced in this series?

Accepted Answer

A) plutonium-256 
B) thorium-232 
C) radon-220 
D) lead-208 
E) uranium-238 
A) plutonium-256 
B) thorium-232 
C) radon-220 
D) lead-208 
E) uranium-238

Question 7

A rad is

Accepted Answer

A) the amount of radiation that produces 2.1 × 109 units of charge in one cubic centimeter of air. 
B) a unit used to measure the amount of radiation absorbed per gram of tissue. 
C) a unit that measures both for the energy and the penetrating power of different types of radiation. 
D) the SI unit for radiation absorbed. 
E) the amount of radioactive substance that undergoes 3.7 × 1010 disintegrations per second. 
A) the amount of radiation that produces 2.1 × 109 units of charge in one cubic centimeter of air. 
B) a unit used to measure the amount of radiation absorbed per gram of tissue. 
C) a unit that measures both for the energy and the penetrating power of different types of radiation. 
D) the SI unit for radiation absorbed. 
E) the amount of radioactive substance that undergoes 3.7 × 1010 disintegrations per second.

Question 8

Ionizing radiation is

Accepted Answer

A) radiation that only interacts with ions. 
B) the same as a proton. 
C) a neutron that has acquired a charge,thus forming an ion. 
D) high-energy radiation that removes electrons from atoms or molecules. 
E) given off by ions and reacts with nuclei. 
A) radiation that only interacts with ions. 
B) the same as a proton. 
C) a neutron that has acquired a charge,thus forming an ion. 
D) high-energy radiation that removes electrons from atoms or molecules. 
E) given off by ions and reacts with nuclei.

Question 9

The most important unit for measure biological doses of radiation is the

Accepted Answer

A) rem. 
B) rad. 
C) curie. 
D) bozon. 
E) roentgen. 
A) rem. 
B) rad. 
C) curie. 
D) bozon. 
E) roentgen.

Question 10

Discuss the harmful effects of ionizing radiation on the human body,including the factors affecting the degree of harm and the protective measures that can be used to minimize exposure.

Accepted Answer

The harmful effects of ionizing radiatio

Question 11

Which product is formed by alpha emission from gold-185? The atomic number of gold is 79.

Accepted Answer

A) 
 
Tl 
B) 
 
Au 
C) 
 
Ir 
D) 
 
Ir 
E) 
 
Hg 
A) 
 
Tl 
B) 
 
Au 
C) 
 
Ir 
D) 
 
Ir 
E) 
 
Hg

Question 12

How many neutrons will be produced in the reaction shown?  
Cm +  
C →  
No + ________  
N

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) cannot be determined 
A) 1 
B) 2 
C) 3 
D) 4 
E) cannot be determined

Question 13

Which reaction is an example of a chain reaction?

Accepted Answer

A) 
 
U →
 
He +
 
Th 
B) 
 
Se →
 
E +
 
Br 
C) 
 
I →
 
I + energy 
D) 
 
U +
 
N →
 
Ba +
 
Kr + 3
 
N 
E) 
 
N +
 
He →
 
O +
 
H 
A) 
 
U →
 
He +
 
Th 
B) 
 
Se →
 
E +
 
Br 
C) 
 
I →
 
I + energy 
D) 
 
U +
 
N →
 
Ba +
 
Kr + 3
 
N 
E) 
 
N +
 
He →
 
O +
 
H

Question 14

Which is the best description of gamma radiation?

Accepted Answer

A) charge +2; mass of 4 amu; high penetrating power 
B) charge +2; mass of 4 amu; low penetrating power 
C) charge -1; mass of 0 amu; medium penetrating power 
D) charge -1; mass of 0 amu; high penetrating power 
E) charge 0; mass of 0 amu; high penetrating power 
A) charge +2; mass of 4 amu; high penetrating power 
B) charge +2; mass of 4 amu; low penetrating power 
C) charge -1; mass of 0 amu; medium penetrating power 
D) charge -1; mass of 0 amu; high penetrating power 
E) charge 0; mass of 0 amu; high penetrating power

Question 15

Which reaction is an example of a neutron bombardment?

Accepted Answer

A) 
 
Cm →
 
Pu +
 
He 
B) 
 
Cm +
 
He →
 
Cf +
 
N 
C) 
 
U +
 
N →
 
Te +
 
Zr + 2
 
N 
D) 
 
Ti →
 
V +
 
E 
E) 
 
Sc →
 
Sc + energy 
A) 
 
Cm →
 
Pu +
 
He 
B) 
 
Cm +
 
He →
 
Cf +
 
N 
C) 
 
U +
 
N →
 
Te +
 
Zr + 2
 
N 
D) 
 
Ti →
 
V +
 
E 
E) 
 
Sc →
 
Sc + energy

Question 16

Match the following.
-nucleon

Accepted Answer

A) a unit of measurement of radiation based on the amount of tissue damage; this unit accounts for the different energies of each type of radiation 
B) a unit of measurement of radiation based on the number of radioactive events per unit time 
C) a unit of measurement of radiation based on the amount of ionization caused by the radiation 
D) the joining of small nuclei into a larger nucleus 
E) atoms which undergo spontaneous nuclear decay
F)a succession of spontaneous nuclear decays,often resulting in an atom of lead as the final product
G)a nuclear reaction that continues on its own after initiation because the number of neutrons produced is greater than the number of neutrons consumed
H)a nuclear reaction in which a large nucleus is split into two fragments similar in size with additional small particles released
I)atoms which do not undergo spontaneous nuclear decay
J)a general term which refers to particles found in the nucleus
K)a unit of measurement of radiation based on the amount of energy absorbed by a specific mass of sample 
A) a unit of measurement of radiation based on the amount of tissue damage; this unit accounts for the different energies of each type of radiation 
B) a unit of measurement of radiation based on the number of radioactive events per unit time 
C) a unit of measurement of radiation based on the amount of ionization caused by the radiation 
D) the joining of small nuclei into a larger nucleus 
E) atoms which undergo spontaneous nuclear decay
F)a succession of spontaneous nuclear decays,often resulting in an atom of lead as the final product
G)a nuclear reaction that continues on its own after initiation because the number of neutrons produced is greater than the number of neutrons consumed
H)a nuclear reaction in which a large nucleus is split into two fragments similar in size with additional small particles released
I)atoms which do not undergo spontaneous nuclear decay
J)a general term which refers to particles found in the nucleus
K)a unit of measurement of radiation based on the amount of energy absorbed by a specific mass of sample

Question 17

Which nuclear reaction is an example of alpha emission?

Accepted Answer

A) 
 
U →
 
He +
 
Th 
B) 
 
Se →
 
E +
 
Br 
C) 
 
I →
 
I + energy 
D) 
 
U +
 
N →
 
Ba +
 
Kr + 3
 
N 
E) 
 
N +
 
He →
 
O +
 
H 
A) 
 
U →
 
He +
 
Th 
B) 
 
Se →
 
E +
 
Br 
C) 
 
I →
 
I + energy 
D) 
 
U +
 
N →
 
Ba +
 
Kr + 3
 
N 
E) 
 
N +
 
He →
 
O +
 
H

Question 18

The half-life of nickel-65 is 2.50 days.How much of a 100.-g sample remains after 7.50 days?

Accepted Answer

A) 100.g 
B) 50.0 g 
C) 25.0 g 
D) 12.5 g 
E) 6.25 g 
A) 100.g 
B) 50.0 g 
C) 25.0 g 
D) 12.5 g 
E) 6.25 g

Question 19

Which product is formed by beta emission from phosphorus-32? The atomic number of phosphorus is 15.

Accepted Answer

A) 
 
Al 
B) 
 
Al 
C) 
 
S 
D) 
 
P 
E) 
 
P 
A) 
 
Al 
B) 
 
Al 
C) 
 
S 
D) 
 
P 
E) 
 
P

Question 20

The half-life of sodium-24 is 15.0 hours.What percentage of a sample of sodium-24 remains after 75.0 hours?

Accepted Answer

A) 0.00% 
B) 3.13% 
C) 6.25% 
D) 12.5% 
E) 25.0% 
A) 0.00% 
B) 3.13% 
C) 6.25% 
D) 12.5% 
E) 25.0%

Exam 11: Nuclear Chemistry

Which of the following isotopes can be used to monitor thyroid function?

Which of these can be considered as the combination of a proton and an electron?

Diagnostic tracers form hot spots when they are prevented from entering diseased tissue.

When a radioactive isotope decays into a nucleus which is also unstable and undergoes decay,and this process is repeated several times,the succession of reactions is called a

Match the following. -fission

In a radioactive decay series,a radioisotope decays into another radioisotope successively until a stable nucleus is produced. Th begins a decay series that consists of six alpha decays and four beta decays.What is the final stable isotope produced in this series?

A rad is

Ionizing radiation is

The most important unit for measure biological doses of radiation is the

Discuss the harmful effects of ionizing radiation on the human body,including the factors affecting the degree of harm and the protective measures that can be used to minimize exposure.

Which product is formed by alpha emission from gold-185? The atomic number of gold is 79.

How many neutrons will be produced in the reaction shown? Cm + C → No + ________ N

Which reaction is an example of a chain reaction?

Which is the best description of gamma radiation?

Which reaction is an example of a neutron bombardment?

Match the following. -nucleon

Which nuclear reaction is an example of alpha emission?

The half-life of nickel-65 is 2.50 days.How much of a 100.-g sample remains after 7.50 days?

Which product is formed by beta emission from phosphorus-32? The atomic number of phosphorus is 15.

The half-life of sodium-24 is 15.0 hours.What percentage of a sample of sodium-24 remains after 75.0 hours?

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Solutions

Acids and Bases

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Amines

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

The Generation of Biochemical Energy

Carbohydrates

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Protein and Amino Acid Metabolism

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters