Question 1

Which of the following was Becquerel studying when he accidentally discovered radioactivity?

Accepted Answer

A)  fluorescence 
B)  phosphorescence 
C)  photography 
D)  the photoelectric effect 
A)  fluorescence 
B)  phosphorescence 
C)  photography 
D)  the photoelectric effect

Question 2

Examine the following graph for a particular isotope.  
-A change in which of the following conditions would change the shape of this curve?

Accepted Answer

A)  amount of sample 
B)  temperature 
C)  pressure 
D)  None of the affect the shape of the curve. 
A)  amount of sample 
B)  temperature 
C)  pressure 
D)  None of the affect the shape of the curve.

Question 3

Mercury-197 is a γ emitter. What isotope is formed when 197Hg emits γ radiation?

Accepted Answer

A)  197Au 
B)  197Hg 
C)  197Tl 
D)  197Pb 
A)  197Au 
B)  197Hg 
C)  197Tl 
D)  197Pb

Question 4

Which of the following is 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

Question 5

When   is bombarded with   , a new element and six 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 6

Which of the following radioactive processes does not result in transmutation?

Accepted Answer

A)  α emission 
B)  β emission 
C)  γ emission 
D)  all of the above 
A)  α emission 
B)  β emission 
C)  γ emission 
D)  all of the above

Question 7

Which of the following statements is true of electromagnetic radiation?

Accepted Answer

A)  All electromagnetic radiation has the same energy. 
B)  As the frequency of the radiation increases, the energy of the radiation decreases. 
C)  As the frequency of the radiation increases, the energy of the radiation increases. 
D)  There is no specific relationship between frequency and energy. 
A)  All electromagnetic radiation has the same energy. 
B)  As the frequency of the radiation increases, the energy of the radiation decreases. 
C)  As the frequency of the radiation increases, the energy of the radiation increases. 
D)  There is no specific relationship between frequency and energy.

Question 8

The amount of radiation absorbed by tissues is measured in which of the following units?

Accepted Answer

A)  curie 
B)  gray 
C)  roentgen 
D)  all of them 
A)  curie 
B)  gray 
C)  roentgen 
D)  all of them

Question 9

Which of the following is the relationship between the rem and the sievert?

Accepted Answer

A)  1 rem = 100 Sv 
B)  1 rem = 1000 Sv 
C)  1 rem = 0.01 Sv 
D)  1 rem = 0.001 Sv 
A)  1 rem = 100 Sv 
B)  1 rem = 1000 Sv 
C)  1 rem = 0.01 Sv 
D)  1 rem = 0.001 Sv

Question 10

What is the mass number of the element produced when an element with mass number A emits an α particle?

Accepted Answer

A)  A __ 4 
B)  A __ 2 
C)  A 
D)  A + 2 
A)  A __ 4 
B)  A __ 2 
C)  A 
D)  A + 2

Question 11

Which of the following is the correct relationship between the rad and the gray?

Accepted Answer

A)  1 Gy = 100 rad 
B)  1 Gy = 1000 rad 
C)  1 Gy = 0.01 rad 
D)  1 Gy = 0.001 rad 
A)  1 Gy = 100 rad 
B)  1 Gy = 1000 rad 
C)  1 Gy = 0.01 rad 
D)  1 Gy = 0.001 rad

Question 12

Which of the following types of radiation can be stopped by ordinary clothing?

Accepted Answer

A)  α 
B)  β 
C)  γ 
D)  all of them 
A)  α 
B)  β 
C)  γ 
D)  all of them

Question 13

A radiation detector which is located 2.0 meters from a radiation source indicates a radiation intensity of 100. mCi (millicuries). What would the radiation intensity be if the detector was 1.0 meter from the source?

Accepted Answer

A) 25 mCi 
B) 50.mCi 
C)  2.0 × 102 mCi 
D)  4.0 × 102 mCi 
A) 25 mCi 
B) 50.mCi 
C)  2.0 × 102 mCi 
D)  4.0 × 102 mCi

Question 14

In which of the following radiation detectors is a gas ionized?

Accepted Answer

A)  a Geiger-Müller counter 
B)  a scintillation counter 
C)  both a and b 
D)  neither a nor b 
A)  a Geiger-Müller counter 
B)  a scintillation counter 
C)  both a and b 
D)  neither a nor b

Question 15

Potassium-40 is a β emitter. What isotope is formed when 40K emits a β particle?

Accepted Answer

A)  36Cl 
B)  40Ar 
C)  40Ca 
D)  44Ca 
A)  36Cl 
B)  40Ar 
C)  40Ca 
D)  44Ca

Question 16

Polonium-210 is an α emitter. What isotope is formed when 210Po emits an α particle?

Accepted Answer

A)  210At 
B)  206Pb 
C)  206Rn 
D)  208Xe 
A)  210At 
B)  206Pb 
C)  206Rn 
D)  208Xe

Question 17

The behavior of which isotope is important for magnetic resonance imaging?

Accepted Answer

A)  C-12 
B)  H-1 
C)  H-2 
D)  O-16 
A)  C-12 
B)  H-1 
C)  H-2 
D)  O-16

Question 18

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 19

Thorium-223 is an α emitter. What isotope is formed when 223Th emits an α particle?

Accepted Answer

A)  221Fr 
B)  223Pa 
C)  219Po 
D)  219Ra 
A)  221Fr 
B)  223Pa 
C)  219Po 
D)  219Ra

Question 20

Which of the following is the relationship between the wavelength, λ, and frequency, ν, of electromagnetic radiation?

Accepted Answer

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

Exam 9: Nuclear Chemistry

Which of the following was Becquerel studying when he accidentally discovered radioactivity?

Examine the following graph for a particular isotope. -A change in which of the following conditions would change the shape of this curve?

Mercury-197 is a γ emitter. What isotope is formed when 197Hg emits γ radiation?

Which of the following is the relationship between the wavelength, λ, and frequency, v, of electromagnetic radiation?

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

Which of the following radioactive processes does not result in transmutation?

Which of the following statements is true of electromagnetic radiation?

The amount of radiation absorbed by tissues is measured in which of the following units?

Which of the following is the relationship between the rem and the sievert?

What is the mass number of the element produced when an element with mass number A emits an α particle?

Which of the following is the correct relationship between the rad and the gray?

Which of the following types of radiation can be stopped by ordinary clothing?

A radiation detector which is located 2.0 meters from a radiation source indicates a radiation intensity of 100. mCi (millicuries). What would the radiation intensity be if the detector was 1.0 meter from the source?

In which of the following radiation detectors is a gas ionized?

Potassium-40 is a β emitter. What isotope is formed when 40K emits a β particle?

Polonium-210 is an α emitter. What isotope is formed when 210Po emits an α particle?

The behavior of which isotope is important for magnetic resonance imaging?

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

Thorium-223 is an α emitter. What isotope is formed when 223Th emits an α particle?

Which of the following is the relationship between the wavelength, λ, and frequency, ν, of electromagnetic radiation?

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 and Alkynes

Benzene and Its Derivatives

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

Filters

Mercury-197 is a γ emitter. What isotope is formed when ¹⁹⁷Hg emits γ radiation?

Potassium-40 is a β emitter. What isotope is formed when ⁴⁰K emits a β particle?

Polonium-210 is an α emitter. What isotope is formed when ²¹⁰Po emits an α particle?

Thorium-223 is an α emitter. What isotope is formed when ²²³Th emits an α particle?