Question 1

Which reaction illustrates artificial transmutation by bombardment with a neutron?

Accepted Answer

A)   Cm → Pu + He 
B)   Cm + He → Cf + N 
C)   N + N → C + H 
D)   Ti → V + Β 
E)   Sc → Sc + energy 
A)   Cm → Pu + He 
B)   Cm + He → Cf + N 
C)   N + N → C + H 
D)   Ti → V + Β 
E)   Sc → Sc + energy

Question 2

Which nuclear reaction is an example of alpha emission?

Accepted Answer

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

Question 3

The change of element into another by the process of nuclear decay is called

Accepted Answer

A) fission. 
B) fusion. 
C) transmutation. 
D) translocation. 
E) radiation. 
A) fission. 
B) fusion. 
C) transmutation. 
D) translocation. 
E) radiation.

Question 4

Which form of radiation is generally considered the most dangerous?

Accepted Answer

A) γ 
B) β 
C) α 
D) positron 
E) all of the above 
A) γ 
B) β 
C) α 
D) positron 
E) all of the above

Question 5

Which is the best description of a beta particle?

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 6

The term nucleon refers to

Accepted Answer

A) electrons belonging to an atom that undergoes nuclear decay. 
B) electrons that are emitted from a nucleus in a nuclear reaction. 
C) the nucleus of a specific isotope. 
D) both protons and neutrons. 
E) none of these 
A) electrons belonging to an atom that undergoes nuclear decay. 
B) electrons that are emitted from a nucleus in a nuclear reaction. 
C) the nucleus of a specific isotope. 
D) both protons and neutrons. 
E) none of these

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

Match the following.
-chain reaction

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 9

Match the following.
-decay series

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 10

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 11

Which nuclear reaction is an example of positron 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

A rem 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 that measures both 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 that measures both 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 13

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 14

Which is the best description of an alpha particle?

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

The fission of an atom of uranium (or an atom of greater atomic number)can be induced by bombarding it with

Accepted Answer

A) neutrons. 
B) protons. 
C) electrons. 
D) positrons. 
E) gamma rays. 
A) neutrons. 
B) protons. 
C) electrons. 
D) positrons. 
E) gamma rays.

Question 16

In nuclear fusion

Accepted Answer

A) an atomic nucleus splits into two fragments,each forming an atom of an element with a smaller atomic number than the original. 
B) an atomic nucleus loses two or more alpha particles. 
C) positrons and electrons combine to form gamma rays. 
D) several small nuclei combine to form an atom of greater atomic number. 
A) an atomic nucleus splits into two fragments,each forming an atom of an element with a smaller atomic number than the original. 
B) an atomic nucleus loses two or more alpha particles. 
C) positrons and electrons combine to form gamma rays. 
D) several small nuclei combine to form an atom of greater atomic number.

Question 17

What is the product when phosphorous-30 loses a positron?

Accepted Answer

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

Question 18

Three applications of nuclear chemistry are medical imaging,energy production,and archaeological dating.Describe each of these applications and explain what properties of radioactive elements are used in each one.

Accepted Answer

Medical imaging makes use of all three m

Question 19

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 20

Which reaction is an example of a chain reaction?

Accepted Answer

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

Exam 11: Nuclear Chemistry

Which reaction illustrates artificial transmutation by bombardment with a neutron?

Which nuclear reaction is an example of alpha emission?

The change of element into another by the process of nuclear decay is called

Which form of radiation is generally considered the most dangerous?

Which is the best description of a beta particle?

The term nucleon refers to

A rad is

Match the following. -chain reaction

Match the following. -decay series

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?

Which nuclear reaction is an example of positron emission?

A rem is

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

Which is the best description of an alpha particle?

The fission of an atom of uranium (or an atom of greater atomic number)can be induced by bombarding it with

In nuclear fusion

What is the product when phosphorous-30 loses a positron?

Three applications of nuclear chemistry are medical imaging,energy production,and archaeological dating.Describe each of these applications and explain what properties of radioactive elements are used in each one.

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

Which reaction is an example of a chain reaction?

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

Filters