Question 1

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 2

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 3

Which reaction is an example of an alpha 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 4

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 5

Which reaction is an example of a chain reaction?

Accepted Answer

A) 
 
Cm →
 
Pu +
 
He 
B) 
 
Cm +
 
He →
 
Cf +
 
N 
C) 
 
U +
 
N →
 
Te +
 
Zr + 3
 
N 
D) 
 
Ti →
 
V +
 
E 
E) 
 
Sc →
 
Sc + energy 
A) 
 
Cm →
 
Pu +
 
He 
B) 
 
Cm +
 
He →
 
Cf +
 
N 
C) 
 
U +
 
N →
 
Te +
 
Zr + 3
 
N 
D) 
 
Ti →
 
V +
 
E 
E) 
 
Sc →
 
Sc + energy

Question 6

You obtain a new sample of cobalt-60,half-life 5.25 years,with a mass of 400.mg.How much cobalt-60 remains after 15.75 years?

Accepted Answer

The answer of You obtain a new sample of cobalt-60,half-life...

Question 7

The fusion reaction that supplies the energy of the sun is:

Accepted Answer

A) 
 
H +
 
H →

He +
 
N 
B) 
 
U +
 
N →
 
Ba +
 
Kr + 3
 
N 
C) 
 
N +
 
N →
 
C +
 
H 
D) 
 
C →
 
N +
 
E 
A) 
 
H +
 
H →

He +
 
N 
B) 
 
U +
 
N →
 
Ba +
 
Kr + 3
 
N 
C) 
 
N +
 
N →
 
C +
 
H 
D) 
 
C →
 
N +
 
E

Question 8

Match the following.
-fusion

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

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

Which is the best description of an alpha particle?

Which reaction is an example of an alpha emission?

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

Which reaction is an example of a chain reaction?

You obtain a new sample of cobalt-60,half-life 5.25 years,with a mass of 400.mg.How much cobalt-60 remains after 15.75 years?

The fusion reaction that supplies the energy of the sun is:

Match the following. -fusion

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

Exam 11: Nuclear Chemistry

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

Which is the best description of an alpha particle?

Which reaction is an example of an alpha emission?

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

Which reaction is an example of a chain reaction?

You obtain a new sample of cobalt-60,half-life 5.25 years,with a mass of 400.mg.How much cobalt-60 remains after 15.75 years?

The fusion reaction that supplies the energy of the sun is:

Match the following. -fusion

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