Question 1

Which of the following radioisotopes, which is an α emitter, is implanted in the prostate as seeds to treat prostate cancer?

Accepted Answer

A)  C-14 
B)  Co-60 
C)  I-125 
D)  P-32 
A)  C-14 
B)  Co-60 
C)  I-125 
D)  P-32

Question 2

Who among the following scientists discovered radioactivity?

Accepted Answer

A)  H. Becquerel 
B)  M. Curie 
C)  A. Einstein 
D)  E. Rutherford 
A)  H. Becquerel 
B)  M. Curie 
C)  A. Einstein 
D)  E. Rutherford

Question 3

Which of the following radioactive emissions does not lead to transmutation in radioactive isotopes?

Accepted Answer

A)  α emission 
B)  β emission 
C)  γ emission 
D)  None of these radioactive emissions lead to transmutation in radioactive isotopes. 
A)  α emission 
B)  β emission 
C)  γ emission 
D)  None of these radioactive emissions lead to transmutation in radioactive isotopes.

Question 4

Identify a radiation detector that contains a gas.

Accepted Answer

A)  a Geiger-Müller counter 
B)  a scintillation counter 
C)  both a Geiger-Muller counter and a scintillation counter 
D)  none of these 
A)  a Geiger-Müller counter 
B)  a scintillation counter 
C)  both a Geiger-Muller counter and a scintillation counter 
D)  none of these

Question 5

Identify the product formed when phosphorus-32 undergoes beta decay.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 6

Which of the following rays consist of helium nuclei?

Accepted Answer

A)  α rays 
B)  β rays 
C)  γ rays 
D)  β+ rays 
A)  α rays 
B)  β rays 
C)  γ rays 
D)  β+ rays

Question 7

Which of the following forms of radiation is electrically neutral?

Accepted Answer

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

Question 8

Which of the following has the highest absorbed dose of "soft'' radiations such as X-rays?

Accepted Answer

A)  bone 
B)  muscle. 
C)  muscle 
D)  They all have the same absorbed dose. 
A)  bone 
B)  muscle. 
C)  muscle 
D)  They all have the same absorbed dose.

Question 9

Absorption of 1.0 rad of which of the following types of radiation will result in the greatest tissue damage?

Accepted Answer

A)  α 
B)  β 
C)  λ 
D)  None, they all result in the same amount of damage. 
A)  α 
B)  β 
C)  λ 
D)  None, they all result in the same amount of damage.

Question 10

In which of the following elements was radioactivity first observed?

Accepted Answer

A)  sodium 
B)  radium 
C)  radon 
D)  uranium 
A)  sodium 
B)  radium 
C)  radon 
D)  uranium

Question 11

Exposure to 1.0 roentgen of which of the following types of radiation causes the formation of the most ions?

Accepted Answer

A)  α 
B)  β 
C)  γ 
D)  They all form the same number of ions. 
A)  α 
B)  β 
C)  γ 
D)  They all form the same number of ions.

Question 12

Which statement is true of the frequency of an electromagnetic radiation?

Accepted Answer

A)  It is directly proportional to the speed of light in vacuum. 
B)  It refers to the distance between two successive wave crests in an electromagnetic radiation. 
C)  It refers to the number of wave crests that pass a given point in one second. 
D)  The lower the frequency of a wave, the shorter the wavelength. 
A)  It is directly proportional to the speed of light in vacuum. 
B)  It refers to the distance between two successive wave crests in an electromagnetic radiation. 
C)  It refers to the number of wave crests that pass a given point in one second. 
D)  The lower the frequency of a wave, the shorter the wavelength.

Question 13

Approximately what percentage of the electricity produced in the United States comes from nuclear energy?

Accepted Answer

A)  5% 
B)  20% 
C)  35% 
D)  55% 
A)  5% 
B)  20% 
C)  35% 
D)  55%

Question 14

Which of the following is the correct order of the wavelengths of the electromagnetic spectrum?

Accepted Answer

A)  radio > infrared > ultraviolet 
B)  radio > ultraviolet > infrared 
C)  ultraviolet > infrared > radio 
D)  ultraviolet > radio > infrared 
A)  radio > infrared > ultraviolet 
B)  radio > ultraviolet > infrared 
C)  ultraviolet > infrared > radio 
D)  ultraviolet > radio > infrared

Question 15

Which of the following properties of radiation affects its penetrating power?

Accepted Answer

A)  energy 
B)  mass 
C)  both energy and mass 
D)  none of these 
A)  energy 
B)  mass 
C)  both energy and mass 
D)  none of these

Question 16

A radioisotope with mass number A emits a positron. Identify the mass number of the radioisotope formed by the positron emission.

Accepted Answer

A)  A − 2 
B)  A − 1 
C)  A 
D)  A + 1 
A)  A − 2 
B)  A − 1 
C)  A 
D)  A + 1

Question 17

What is the speed of light?

Accepted Answer

A)  3.0 × 108 cm/hour 
B)  3.0 × 108 m/s 
C)  3.0 × 108 mm/s 
D)  3.0 × 108 mm/hour 
A)  3.0 × 108 cm/hour 
B)  3.0 × 108 m/s 
C)  3.0 × 108 mm/s 
D)  3.0 × 108 mm/hour

Question 18

One roentgen is the amount of radiation that produces ions having an energy of _____.

Accepted Answer

A)  2.58 × 10−4 C/kg 
B)  1 × 10−3 rem 
C)  3.7 × 104 dps 
D)  100 rad 
A)  2.58 × 10−4 C/kg 
B)  1 × 10−3 rem 
C)  3.7 × 104 dps 
D)  100 rad

Question 19

Examine the following graph for a particular isotope.   After 24 days, approximately how much of the sample is left?

Accepted Answer

A)  5 g 
B)  2.5 g 
C)  1.25 g 
D)  0.313 g 
A)  5 g 
B)  2.5 g 
C)  1.25 g 
D)  0.313 g

Question 20

Which of the following hydrogen isotopes is radioactive?

Accepted Answer

A)    
B)    
C)    
D)  none of these 
A)    
B)    
C)    
D)  none of these

Exam 9: Nuclear Chemistry

Which of the following radioisotopes, which is an α emitter, is implanted in the prostate as seeds to treat prostate cancer?

Who among the following scientists discovered radioactivity?

Which of the following radioactive emissions does not lead to transmutation in radioactive isotopes?

Identify a radiation detector that contains a gas.

Identify the product formed when phosphorus-32 undergoes beta decay.

Which of the following rays consist of helium nuclei?

Which of the following forms of radiation is electrically neutral?

Which of the following has the highest absorbed dose of "soft'' radiations such as X-rays?

Absorption of 1.0 rad of which of the following types of radiation will result in the greatest tissue damage?

In which of the following elements was radioactivity first observed?

Exposure to 1.0 roentgen of which of the following types of radiation causes the formation of the most ions?

Which statement is true of the frequency of an electromagnetic radiation?

Approximately what percentage of the electricity produced in the United States comes from nuclear energy?

Which of the following is the correct order of the wavelengths of the electromagnetic spectrum?

Which of the following properties of radiation affects its penetrating power?

A radioisotope with mass number A emits a positron. Identify the mass number of the radioisotope formed by the positron emission.

What is the speed of light?

One roentgen is the amount of radiation that produces ions having an energy of _____.

Examine the following graph for a particular isotope. After 24 days, approximately how much of the sample is left?

Which of the following hydrogen isotopes is radioactive?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Organic Chemistry

Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

Body Fluids

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