Question 1

Match the following.
-curie

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 2

Which product is formed by alpha emission from polonium-208? The atomic number of polonium is 84.

Accepted Answer

A) 
 
At 
B) 
 
Rn 
C) 
 
Pb 
D) 
 
Bi 
E) 
 
Po 
A) 
 
At 
B) 
 
Rn 
C) 
 
Pb 
D) 
 
Bi 
E) 
 
Po

Question 3

Which product is formed by beta decay of krypton-87? The atomic number of krypton is 36.

Accepted Answer

A) 
 
Se 
B) 
 
Br 
C) 
 
Kr 
D) 
 
Rb 
E) 
 
Sr 
A) 
 
Se 
B) 
 
Br 
C) 
 
Kr 
D) 
 
Rb 
E) 
 
Sr

Question 4

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 5

Which nuclear reaction is an example of beta 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 6

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

Question 7

Which nuclear reaction is an example of alpha emission?

Accepted Answer

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

Question 8

What is the missing reactant in the reaction shown?  
Al + ________ →  
P +  
N

Accepted Answer

A) 
 
He 
B) 
 
H 
C) 
 
H 
D) 
 
N 
E) 
 
E 
A) 
 
He 
B) 
 
H 
C) 
 
H 
D) 
 
N 
E) 
 
E

Question 9

Radioisotopes which emit alpha rays make the best diagnostic tracers.

Accepted Answer

A) True 
 B)False

Question 10

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 11

Which reaction is an example of a beta emission?

Accepted Answer

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

Question 12

Which product is formed by gamma emission from niobium-94? The atomic number of niobium is 41.

Accepted Answer

A) 
 
Y 
B) 
 
Nb 
C) 
 
Tc 
D) 
 
Mo 
E) 
 
Zr 
A) 
 
Y 
B) 
 
Nb 
C) 
 
Tc 
D) 
 
Mo 
E) 
 
Zr

Question 13

Match the following.
-stable isotopes

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 14

If 75.0 mg of potassium-42 was administered to a patient at 10 AM on Monday,how many mg will remain at 10 AM on Thursday of that same week? The half life of K-42 is 12 hours.

Accepted Answer

A) 37.5 mg 
B) 1.17 mg 
C) 18.8 mg 
D) 9.38 mg 
A) 37.5 mg 
B) 1.17 mg 
C) 18.8 mg 
D) 9.38 mg

Question 15

Which nuclear reaction is not balanced?

Accepted Answer

A) 
 
B +
 
He →
 
N +
 
N 
B) 
 
U +
 
He →
 
Am +
 
N 
C) 
 
Ar +
 
H →
 
K +
 
N 
D) 
 
N +
 
He →
 
O +
 
H 
E) none of the above 
A) 
 
B +
 
He →
 
N +
 
N 
B) 
 
U +
 
He →
 
Am +
 
N 
C) 
 
Ar +
 
H →
 
K +
 
N 
D) 
 
N +
 
He →
 
O +
 
H 
E) none of the above

Question 16

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 17

Ionizing radiation is dangerous to living things because

Accepted Answer

A) it causes nuclear reactions. 
B) it causes thermal burns. 
C) it alters the chemical structure of atoms or molecules. 
D) it causes electrons to be captured by the nucleus. 
E) its penetrating power varies with its source. 
A) it causes nuclear reactions. 
B) it causes thermal burns. 
C) it alters the chemical structure of atoms or molecules. 
D) it causes electrons to be captured by the nucleus. 
E) its penetrating power varies with its source.

Question 18

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) 5,700 years 
A) 57,000 years 
B) 34,200 years 
C) 20,000 years 
D) 11,400 years 
E) 5,700 years

Question 19

The amount of a radioactive substance that undergoes 3.7 × 1010 disintegrations per second is known as a

Accepted Answer

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

Question 20

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

Exam 11: Nuclear Chemistry

Match the following. -curie

Which product is formed by alpha emission from polonium-208? The atomic number of polonium is 84.

Which product is formed by beta decay of krypton-87? The atomic number of krypton is 36.

In nuclear fusion

Which nuclear reaction is an example of beta emission?

Which nuclear reaction is an example of beta emission?

Which nuclear reaction is an example of alpha emission?

What is the missing reactant in the reaction shown? Al + ________ → P + N

Radioisotopes which emit alpha rays make the best diagnostic tracers.

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.

Which reaction is an example of a beta emission?

Which product is formed by gamma emission from niobium-94? The atomic number of niobium is 41.

Match the following. -stable isotopes

If 75.0 mg of potassium-42 was administered to a patient at 10 AM on Monday,how many mg will remain at 10 AM on Thursday of that same week? The half life of K-42 is 12 hours.

Which nuclear reaction is not balanced?

The term nucleon refers to

Ionizing radiation is dangerous to living things because

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 amount of a radioactive substance that undergoes 3.7 × 1010 disintegrations per second is known as a

Which is the best description of a beta particle?

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

The amount of a radioactive substance that undergoes 3.7 × 10¹⁰ disintegrations per second is known as a