Question 1

Identify the element formed when   emits γ radiation.

Accepted Answer

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

Question 2

What is the SI unit associated with the rad?

Accepted Answer

A)  the sievert (Sv) 
B)  the coulomb (
C)  
C)  the gray (Gy) 
D)  the becquerel (Bq) 
A)  the sievert (Sv) 
B)  the coulomb (
C)  
C)  the gray (Gy) 
D)  the becquerel (Bq)

Question 3

When   is bombarded with   a new element and four neutrons are produced. What isotope of the new element is produced by this reaction?

Accepted Answer

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

Question 4

Examine the following graph for a particular isotope.   What is the half-life of this isotope?

Accepted Answer

A)  8 days 
B)  16 days 
C)  24 days 
D)  32 days 
A)  8 days 
B)  16 days 
C)  24 days 
D)  32 days

Question 5

Which of the following statements is true of nuclear fission?

Accepted Answer

A)  The mass of the products is greater than the mass of the reactants, and energy is absorbed. 
B)  The mass of the products is greater than the mass of the reactants, and energy is released. 
C)  The mass of the products is less than the mass of the reactants, and energy is absorbed. 
D)  The mass of the products is less than the mass of the reactants, and energy is released. 
A)  The mass of the products is greater than the mass of the reactants, and energy is absorbed. 
B)  The mass of the products is greater than the mass of the reactants, and energy is released. 
C)  The mass of the products is less than the mass of the reactants, and energy is absorbed. 
D)  The mass of the products is less than the mass of the reactants, and energy is released.

Question 6

Arsenic-74 is a positron emitter. Identify the element formed when   emits a positron.

Accepted Answer

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

Question 7

Which of the following is the correct order of the frequencies 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 8

Which of the following statements is true of electromagnetic radiation?

Accepted Answer

A)  All electromagnetic radiations have equal energy. 
B)  As the frequency of radiation increases, the energy of the radiation decreases. 
C)  As the frequency of radiation increases, the energy of the radiation increases. 
D)  None of these statements are true. 
A)  All electromagnetic radiations have equal energy. 
B)  As the frequency of radiation increases, the energy of the radiation decreases. 
C)  As the frequency of radiation increases, the energy of the radiation increases. 
D)  None of these statements are true.

Question 9

Which of the following statements is true of artificially created isotopes?

Accepted Answer

A)  All artificially created isotopes are stable. 
B)  All artificially created isotopes are unstable. 
C)  Most artificially created isotopes are stable. 
D)  Most artificially created isotopes are unstable. 
A)  All artificially created isotopes are stable. 
B)  All artificially created isotopes are unstable. 
C)  Most artificially created isotopes are stable. 
D)  Most artificially created isotopes are unstable.

Question 10

Which of the following equations correctly describes the relationship between mass and energy when mass is converted to energy?

Accepted Answer

A)  E = mc 
B)  E = 2mc 
C)  E = 2mc2 
D)  E = mc2 
A)  E = mc 
B)  E = 2mc 
C)  E = 2mc2 
D)  E = mc2

Question 11

Which of the following statements is true of nuclear fusion?

Accepted Answer

A)  The mass of the products is greater than the mass of the reactants, and energy is absorbed. 
B)  The mass of the products is greater than the mass of the reactants, and energy is released. 
C)  The mass of the products is less than the mass of the reactants, and energy is absorbed. 
D)  The mass of the products is less than the mass of the reactants, and energy is released. 
A)  The mass of the products is greater than the mass of the reactants, and energy is absorbed. 
B)  The mass of the products is greater than the mass of the reactants, and energy is released. 
C)  The mass of the products is less than the mass of the reactants, and energy is absorbed. 
D)  The mass of the products is less than the mass of the reactants, and energy is released.

Question 12

Thorium-223 is an α emitter. Identify the element formed when   emits an α particle?

Accepted Answer

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

Question 13

Why is the radioisotope I-131 useful in medical imaging or therapy?

Accepted Answer

A)  It helps visualize the areas of the brain involved in visual processing. 
B)  It is preferentially taken up by the thyroid gland. 
C)  It emits alpha radiation. 
D)  It emits positron radiation. 
A)  It helps visualize the areas of the brain involved in visual processing. 
B)  It is preferentially taken up by the thyroid gland. 
C)  It emits alpha radiation. 
D)  It emits positron radiation.

Question 14

The half-life of iodine-131 is 8 days. If a medical treatment involves a dose of 400 mg of iodine-131, how much of the isotope remains after 32 days?

Accepted Answer

A)  200 mg 
B)  100 mg 
C)  50 mg 
D)  25 mg 
A)  200 mg 
B)  100 mg 
C)  50 mg 
D)  25 mg

Question 15

Identify the element formed when carbon undergoes beta decay.

Accepted Answer

A)  sodium 
B)  oxygen 
C)  argon 
D)  nitrogen 
A)  sodium 
B)  oxygen 
C)  argon 
D)  nitrogen

Question 16

Which of the following forms of radiation consists of a hydrogen nucleus?

Accepted Answer

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

Question 17

Which of the following symbols represents a positron?

Accepted Answer

A)  β− 
B)    
C)  β+ 
D)  λ 
A)  β− 
B)    
C)  β+ 
D)  λ

Question 18

For high energy photons, which of these have the lowest absorption?

Accepted Answer

A)  bone 
B)  muscle 
C)  water 
D)  None, they all have the same absorption. 
A)  bone 
B)  muscle 
C)  water 
D)  None, they all have the same absorption.

Question 19

One becquerel equals _____ dps.

Accepted Answer

A)  3.7 × 10-4 
B)  2 
C)  1 
D)  3.7 × 1010 
A)  3.7 × 10-4 
B)  2 
C)  1 
D)  3.7 × 1010

Question 20

Which of the following equations represents the relationship between the wavelength (λ) and frequency (v) of electromagnetic radiation?

Accepted Answer

A)  λ = cν 
B)  λ = c/ν 
C)  λ = ν/c 
D)  λ = 1/cν 
A)  λ = cν 
B)  λ = c/ν 
C)  λ = ν/c 
D)  λ = 1/cν

Exam 9: Nuclear Chemistry

Identify the element formed when emits γ radiation.

What is the SI unit associated with the rad?

When is bombarded with a new element and four neutrons are produced. What isotope of the new element is produced by this reaction?

Examine the following graph for a particular isotope. What is the half-life of this isotope?

Which of the following statements is true of nuclear fission?

Arsenic-74 is a positron emitter. Identify the element formed when emits a positron.

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

Which of the following statements is true of electromagnetic radiation?

Which of the following statements is true of artificially created isotopes?

Which of the following equations correctly describes the relationship between mass and energy when mass is converted to energy?

Which of the following statements is true of nuclear fusion?

Thorium-223 is an α emitter. Identify the element formed when emits an α particle?

Why is the radioisotope I-131 useful in medical imaging or therapy?

The half-life of iodine-131 is 8 days. If a medical treatment involves a dose of 400 mg of iodine-131, how much of the isotope remains after 32 days?

Identify the element formed when carbon undergoes beta decay.

Which of the following forms of radiation consists of a hydrogen nucleus?

Which of the following symbols represents a positron?

For high energy photons, which of these have the lowest absorption?

One becquerel equals _____ dps.

Which of the following equations represents the relationship between the wavelength (λ) and frequency (v) of electromagnetic radiation?

Matter, Energy, and Measurement

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Gases, Liquids, and Solids

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Reaction Rates and Chemical Equilibrium

Acids and Bases

Organic Chemistry

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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

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