Question 1

What other product is formed when one neutron interacts with uranium-235 to form bromine-87 and 3 neutrons?

Accepted Answer

A)   La 
B)   La 
C)   La 
D)   Xe 
E)   Xe 
A)   La 
B)   La 
C)   La 
D)   Xe 
E)   Xe B

Question 2

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 A

Question 3

Which type of radiation is attracted toward a positive plate?

Accepted Answer

A) α 
B) β 
C) γ 
D) α and β 
E) none of these 
A) α 
B) β 
C) γ 
D) α and β 
E) none of these B

Question 4

Which reaction is an example of a gamma emission?

Accepted Answer

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

Question 5

A unit used to measure the amount of radiation absorbed per gram of tissue is the

Accepted Answer

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

Question 6

A roentgen is

Accepted Answer

A) the amount of radiation dosage 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 allows 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 dosage 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 allows 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 7

Which of the properties of radioisotopes make them useful as tracers in medical or agricultural applications?
I.Their chemical behavior is the same as nonradioactive isotopes.
II.They emit various types of radiation.
III.The nuclear reaction is unaffected by the chemical state of the isotope.

Accepted Answer

A) I only 
B) I and II 
C) I and III 
D) none of these 
E) all of these 
A) I only 
B) I and II 
C) I and III 
D) none of these 
E) all of these

Question 8

Which product is formed by alpha emission from uranium-235? The atomic number of uranium is 92.

Accepted Answer

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

Question 9

A curie 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 allows 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 allows 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 10

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 11

Which nuclear reaction is an example of beta emission?

Accepted Answer

A)   Pu + He → Cm 
B)   Na → Ne + Β 
C)   Cm → Pu + He 
D)   Ar + Β → Cl 
E)   Ni → Cu + Β 
A)   Pu + He → Cm 
B)   Na → Ne + Β 
C)   Cm → Pu + He 
D)   Ar + Β → Cl 
E)   Ni → Cu + Β

Question 12

The rate of a nuclear reaction is affected by which of the following?

Accepted Answer

A) temperature 
B) pressure 
C) addition of a catalyst 
D) none of these 
E) all of these 
A) temperature 
B) pressure 
C) addition of a catalyst 
D) none of these 
E) all of these

Question 13

If the half-life of vanadium-48 is 16 days,it is true that

Accepted Answer

A) vanadium-48 is a beta emitter. 
B) the decay rate would be different if the chemical environment of vanadium-48 is changed. 
C) after 32 days a sample of vanadium-48 would have completely decayed. 
D) after 16 days 50% of a sample of vanadium-48 would have decayed. 
E) vanadium-48 would decay faster in its first half-life than in later half-lives. 
A) vanadium-48 is a beta emitter. 
B) the decay rate would be different if the chemical environment of vanadium-48 is changed. 
C) after 32 days a sample of vanadium-48 would have completely decayed. 
D) after 16 days 50% of a sample of vanadium-48 would have decayed. 
E) vanadium-48 would decay faster in its first half-life than in later half-lives.

Question 14

Match the following.
-fission

Accepted Answer

A) a unit of measurement of radiation based on the number of radioactive events per unit time 
B) atoms which undergo spontaneous nuclear decay 
C) 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 
D) a unit of measurement of radiation based on the amount of energy absorbed by a specific mass of sample 
E) a unit of measurement of radiation based on the amount of ionization caused by the radiation
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)a general term which refers to particles found in the nucleus
J)atoms which do not undergo spontaneous nuclear decay
K)the joining of small nuclei into a larger nucleus 
A) a unit of measurement of radiation based on the number of radioactive events per unit time 
B) atoms which undergo spontaneous nuclear decay 
C) 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 
D) a unit of measurement of radiation based on the amount of energy absorbed by a specific mass of sample 
E) a unit of measurement of radiation based on the amount of ionization caused by the radiation
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)a general term which refers to particles found in the nucleus
J)atoms which do not undergo spontaneous nuclear decay
K)the joining of small nuclei into a larger nucleus

Question 15

The emission of a particle from an unstable nucleus is called

Accepted Answer

A) mutation. 
B) nuclear decay. 
C) fission. 
D) fusion. 
E) translocation. 
A) mutation. 
B) nuclear decay. 
C) fission. 
D) fusion. 
E) translocation.

Question 16

Which product is formed by beta emission from arsenic-75? The atomic number of arsenic is 33.

Accepted Answer

A)   Ga 
B)   Ge 
C)   Cu 
D)   Se 
E)   As 
A)   Ga 
B)   Ge 
C)   Cu 
D)   Se 
E)   As

Question 17

Match the following.
-rem

Accepted Answer

A) a unit of measurement of radiation based on the number of radioactive events per unit time 
B) atoms which undergo spontaneous nuclear decay 
C) 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 
D) a unit of measurement of radiation based on the amount of energy absorbed by a specific mass of sample 
E) a unit of measurement of radiation based on the amount of ionization caused by the radiation
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)a general term which refers to particles found in the nucleus
J)atoms which do not undergo spontaneous nuclear decay
K)the joining of small nuclei into a larger nucleus 
A) a unit of measurement of radiation based on the number of radioactive events per unit time 
B) atoms which undergo spontaneous nuclear decay 
C) 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 
D) a unit of measurement of radiation based on the amount of energy absorbed by a specific mass of sample 
E) a unit of measurement of radiation based on the amount of ionization caused by the radiation
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)a general term which refers to particles found in the nucleus
J)atoms which do not undergo spontaneous nuclear decay
K)the joining of small nuclei into a larger nucleus

Question 18

Match the following.
-nucleon

Accepted Answer

A) a unit of measurement of radiation based on the number of radioactive events per unit time 
B) atoms which undergo spontaneous nuclear decay 
C) 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 
D) a unit of measurement of radiation based on the amount of energy absorbed by a specific mass of sample 
E) a unit of measurement of radiation based on the amount of ionization caused by the radiation
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)a general term which refers to particles found in the nucleus
J)atoms which do not undergo spontaneous nuclear decay
K)the joining of small nuclei into a larger nucleus 
A) a unit of measurement of radiation based on the number of radioactive events per unit time 
B) atoms which undergo spontaneous nuclear decay 
C) 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 
D) a unit of measurement of radiation based on the amount of energy absorbed by a specific mass of sample 
E) a unit of measurement of radiation based on the amount of ionization caused by the radiation
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)a general term which refers to particles found in the nucleus
J)atoms which do not undergo spontaneous nuclear decay
K)the joining of small nuclei into a larger nucleus

Question 19

Approximately how old is a fossil that has a little more than 6% of its original radioactivity? The half-life of carbon-14 used in dating artifacts is 5700 years.

Accepted Answer

A) 57,000 years 
B) 34,200 years 
C) 20,000 years 
D) 11,400 years 
E) 5700 years 
A) 57,000 years 
B) 34,200 years 
C) 20,000 years 
D) 11,400 years 
E) 5700 years

Question 20

The unit of radiation exposure which allows for the energy and penetrating power of different types of radiation is the

Accepted Answer

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

Exam 11: Nuclear Chemistry

What other product is formed when one neutron interacts with uranium-235 to form bromine-87 and 3 neutrons?

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

Which type of radiation is attracted toward a positive plate?

Which reaction is an example of a gamma emission?

A unit used to measure the amount of radiation absorbed per gram of tissue is the

A roentgen is

Which of the properties of radioisotopes make them useful as tracers in medical or agricultural applications? I.Their chemical behavior is the same as nonradioactive isotopes. II.They emit various types of radiation. III.The nuclear reaction is unaffected by the chemical state of the isotope.

Which product is formed by alpha emission from uranium-235? The atomic number of uranium is 92.

A curie is

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

Which nuclear reaction is an example of beta emission?

The rate of a nuclear reaction is affected by which of the following?

If the half-life of vanadium-48 is 16 days,it is true that

Match the following. -fission

The emission of a particle from an unstable nucleus is called

Which product is formed by beta emission from arsenic-75? The atomic number of arsenic is 33.

Match the following. -rem

Match the following. -nucleon

Approximately how old is a fossil that has a little more than 6% of its original radioactivity? The half-life of carbon-14 used in dating artifacts is 5700 years.

The unit of radiation exposure which allows for the energy and penetrating power of different types of radiation is the

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

Aldehydes and Ketones

Amines

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

Carbohydrates

The Generation of Biochemical Energy

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Protein and Amino Acid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

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