Question 1

The unit used to measure the amount of radiation absorbed by a gram of material is called the ________.

Accepted Answer

A) rad 
B) sievert 
C) curie 
D) rem 
E) Bq 
A) rad 
B) sievert 
C) curie 
D) rem 
E) Bq

Question 2

The symbol 4e is a symbol used for a(n)________.

Accepted Answer

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

Question 3

The product from the positron emission of   Cs is ________.

Accepted Answer

A)    Cs 
B)    I 
C)    Xe 
D)    Ba 
E)    Xe 
A)    Cs 
B)    I 
C)    Xe 
D)    Ba 
E)    Xe

Question 4

Which of the following types of radiation has the highest energy?

Accepted Answer

A) α-particles 
B) β-particles 
C) γ-rays 
D) visible light 
E) All of these have the same energy. 
A) α-particles 
B) β-particles 
C) γ-rays 
D) visible light 
E) All of these have the same energy.

Question 5

What does the ? represent in the bombardment equation of nitrogen-14? 
  N + ? →   C +   H

Accepted Answer

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

Question 6

complete the missing feild
-The time needed for a radioactive sample to decay to one-half of its original activity is called the ________.

Accepted Answer

The answer of complete the missing feild
-The time needed for...

Question 7

Nitrogen-17 undergoes beta decay.What is the isotope produced in the radioactive decay?

Accepted Answer

A)    C 
B)    B 
C)    N 
D)    F 
E)    O 
A)    C 
B)    B 
C)    N 
D)    F 
E)    O

Question 8

A sample of cerium-141 for a diagnostic test was dissolved in saline solution to an activity of 4.5 millicuries/mL.If the patient undergoing the test needs a dose of 10 millicuries,how much of the solution should be injected into the patient?

Accepted Answer

A) 45 mL 
B) .45 mL 
C) 2.2 mL 
D) 22 mL 
E) 4.5 mL 
A) 45 mL 
B) .45 mL 
C) 2.2 mL 
D) 22 mL 
E) 4.5 mL

Question 9

Why is it important that radioisotopes used in diagnostic tests have short half-lives?

Accepted Answer

A) These radioisotopes have a greater activity so they are easier to monitor. 
B) This minimizes the harmful side effects of the radiation. 
C) This is necessary so the radioisotopes will have high energy. 
D) These radioisotopes are less expensive. 
E) These radioisotopes are more abundant in nature. 
A) These radioisotopes have a greater activity so they are easier to monitor. 
B) This minimizes the harmful side effects of the radiation. 
C) This is necessary so the radioisotopes will have high energy. 
D) These radioisotopes are less expensive. 
E) These radioisotopes are more abundant in nature.

Question 10

The nuclear reaction shown below is an example of what type of process?
   Th →   Rn +   He

Accepted Answer

A) fusion 
B) fission 
C) translation 
D) alpha decay 
E) beta decay 
A) fusion 
B) fission 
C) translation 
D) alpha decay 
E) beta decay

Question 11

Iron-59 has a half-life of 44 days.A radioactive sample has an activity of 0.64 mBq.What is the activity of the sample after 88 days?

Accepted Answer

A) 1.28 mBq 
B) 0.64 mBq 
C) 0.32 mBq 
D) 0.16 mBq 
E) 0080 mBq 
A) 1.28 mBq 
B) 0.64 mBq 
C) 0.32 mBq 
D) 0.16 mBq 
E) 0080 mBq

Question 12

Iodine-123,which is used for diagnostic imaging in the thyroid,has a half-life of 13 h.If 50.0 mg of I-123 were prepared at 8:00 A.M.on Monday,how many mg remain at 10:00 A.M.on the following day?

Accepted Answer

A) 50.0 mg 
B) 25.0 mg 
C) 12.5 mg 
D) 6.25 mg 
E) 3.13 mg 
A) 50.0 mg 
B) 25.0 mg 
C) 12.5 mg 
D) 6.25 mg 
E) 3.13 mg

Question 13

In the sun,nuclei of hydrogen combine to form a larger nucleus and release a great amount of energy.The process is known as ________.

Accepted Answer

A) fission 
B) fusion 
C) metathesis 
D) chain reaction 
E) ionization 
A) fission 
B) fusion 
C) metathesis 
D) chain reaction 
E) ionization

Question 14

The nuclear symbol that completes the equation is a(n)________. 
  N →   C + ?

Accepted Answer

A) proton 
B) neutron 
C) positron 
D) beta particle 
E) alpha particle 
A) proton 
B) neutron 
C) positron 
D) beta particle 
E) alpha particle

Question 15

In beta emission,the atomic number ________.

Accepted Answer

The answer of In beta emission,the atomic number ________....

Question 16

The half-life of a radioisotope is ________.

Accepted Answer

A) one-half of the time it takes for the radioisotope to completely decay to a nonradioactive isotope 
B) the time it takes for the radioisotope to become an isotope with one-half of the atomic weight of the original radioisotope 
C) the time it takes for the radioisotope to become an isotope with one-half the atomic number of the original radioisotope 
D) the time it takes for the radioisotope to lose one-half of its neutrons 
E) the time it takes for one-half of the sample to decay 
A) one-half of the time it takes for the radioisotope to completely decay to a nonradioactive isotope 
B) the time it takes for the radioisotope to become an isotope with one-half of the atomic weight of the original radioisotope 
C) the time it takes for the radioisotope to become an isotope with one-half the atomic number of the original radioisotope 
D) the time it takes for the radioisotope to lose one-half of its neutrons 
E) the time it takes for one-half of the sample to decay

Question 17

One symbol for the beta particle is β.Another symbol for the same particle is ________.

Accepted Answer

The answer of One symbol for the beta particle is...

Question 18

The SI unit used to measure the activity of a radioactive sample is called the ________.

Accepted Answer

A) rad 
B) gray 
C) sievert 
D) rem 
E) Bq 
A) rad 
B) gray 
C) sievert 
D) rem 
E) Bq

Question 19

After two half-lives,the activity of a sample is four times the initial activity.

Accepted Answer

A) True 
 B)False

Question 20

A patient receives 10 mrads of gamma radiation.If the factor that adjusts for biological damage for for gamma radiation is 1,how many mrems did the patient receive?

Accepted Answer

A) 2 mrem 
B) 5 mrem 
C) 10 mrem 
D) 20 mrem 
E) 200 mrem 
A) 2 mrem 
B) 5 mrem 
C) 10 mrem 
D) 20 mrem 
E) 200 mrem

The unit used to measure the amount of radiation absorbed by a gram of material is called the ________.

The symbol 4e is a symbol used for a(n)________.

The product from the positron emission of Cs is ________.

Which of the following types of radiation has the highest energy?

What does the ? represent in the bombardment equation of nitrogen-14? N + ? → C + H

complete the missing feild -The time needed for a radioactive sample to decay to one-half of its original activity is called the ________.

Nitrogen-17 undergoes beta decay.What is the isotope produced in the radioactive decay?

A sample of cerium-141 for a diagnostic test was dissolved in saline solution to an activity of 4.5 millicuries/mL.If the patient undergoing the test needs a dose of 10 millicuries,how much of the solution should be injected into the patient?

Why is it important that radioisotopes used in diagnostic tests have short half-lives?

The nuclear reaction shown below is an example of what type of process? Th → Rn + He

Iron-59 has a half-life of 44 days.A radioactive sample has an activity of 0.64 mBq.What is the activity of the sample after 88 days?

Iodine-123,which is used for diagnostic imaging in the thyroid,has a half-life of 13 h.If 50.0 mg of I-123 were prepared at 8:00 A.M.on Monday,how many mg remain at 10:00 A.M.on the following day?

In the sun,nuclei of hydrogen combine to form a larger nucleus and release a great amount of energy.The process is known as ________.

The nuclear symbol that completes the equation is a(n)________. N → C + ?

In beta emission,the atomic number ________.

The half-life of a radioisotope is ________.

One symbol for the beta particle is β.Another symbol for the same particle is ________.

The SI unit used to measure the activity of a radioactive sample is called the ________.

After two half-lives,the activity of a sample is four times the initial activity.

A patient receives 10 mrads of gamma radiation.If the factor that adjusts for biological damage for for gamma radiation is 1,how many mrems did the patient receive?

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Matter and Energy

Atoms and Elements

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

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Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

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Carboxylic Acids, Esters, Amines, and Amides

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Exam 5: Nuclear Chemistry

The unit used to measure the amount of radiation absorbed by a gram of material is called the ________.

The symbol 4e is a symbol used for a(n)________.

The product from the positron emission of Cs is ________.

Which of the following types of radiation has the highest energy?

What does the ? represent in the bombardment equation of nitrogen-14? N + ? → C + H

complete the missing feild -The time needed for a radioactive sample to decay to one-half of its original activity is called the ________.

Nitrogen-17 undergoes beta decay.What is the isotope produced in the radioactive decay?

A sample of cerium-141 for a diagnostic test was dissolved in saline solution to an activity of 4.5 millicuries/mL.If the patient undergoing the test needs a dose of 10 millicuries,how much of the solution should be injected into the patient?

Why is it important that radioisotopes used in diagnostic tests have short half-lives?

The nuclear reaction shown below is an example of what type of process? Th → Rn + He

Iron-59 has a half-life of 44 days.A radioactive sample has an activity of 0.64 mBq.What is the activity of the sample after 88 days?

Iodine-123,which is used for diagnostic imaging in the thyroid,has a half-life of 13 h.If 50.0 mg of I-123 were prepared at 8:00 A.M.on Monday,how many mg remain at 10:00 A.M.on the following day?

In the sun,nuclei of hydrogen combine to form a larger nucleus and release a great amount of energy.The process is known as ________.

The nuclear symbol that completes the equation is a(n)________. N → C + ?

In beta emission,the atomic number ________.

The half-life of a radioisotope is ________.

One symbol for the beta particle is β.Another symbol for the same particle is ________.

The SI unit used to measure the activity of a radioactive sample is called the ________.

After two half-lives,the activity of a sample is four times the initial activity.

A patient receives 10 mrads of gamma radiation.If the factor that adjusts for biological damage for for gamma radiation is 1,how many mrems did the patient receive?

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

Lipids

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters