Question 1

Fill in the blank in the following nuclear reaction.   → _____ +

Accepted Answer

The answer of Fill in the blank in the following...

Question 2

Choose the INCORRECT statement.

Accepted Answer

A)  Radioactivity is the emission of ionizing radiation. 
B)  An alpha particle is the nucleus of a helium-4 atom. 
C)  A beta particle is a neutron. 
D)  A positron is like a beta particle but with a positive charge. 
E)  Gamma rays are emitted from a nucleus in an excited state. 
A)  Radioactivity is the emission of ionizing radiation. 
B)  An alpha particle is the nucleus of a helium-4 atom. 
C)  A beta particle is a neutron. 
D)  A positron is like a beta particle but with a positive charge. 
E)  Gamma rays are emitted from a nucleus in an excited state.

Question 3

Transuranium elements can be produced by bombarding nuclei with:

Accepted Answer

A)  neutrons 
B)  other nuclei 
C)  alpha particles 
D)  positrons 
E)  neutrons and/or other nuclei 
A)  neutrons 
B)  other nuclei 
C)  alpha particles 
D)  positrons 
E)  neutrons and/or other nuclei

Question 4

The charcoal from ashes found in a cave gave 3.34 14C counts per gram per minute. Wood from the outer portion of a growing tree gives a comparable count of 16.0. The half-life of 14C is 5700 years. How old are the ashes?

Accepted Answer

A)  8.93 × 103 yr 
B)  6.87 × 103 yr 
C)  1.29 × 104 yr 
D)  1.93 × 104 yr 
E)  1.90 × 104 yr 
A)  8.93 × 103 yr 
B)  6.87 × 103 yr 
C)  1.29 × 104 yr 
D)  1.93 × 104 yr 
E)  1.90 × 104 yr

Question 5

Complete the following fusion reaction:   +

Accepted Answer

A)    
B)    +
  
C)    +
  
D)  3   + 2
  
E)  5   + 2
  
A)    
B)    +
  
C)    +
  
D)  3   + 2
  
E)  5   + 2

Question 6

What is the binding energy, in amu, of 13C? Masses are: proton = 1.00728 amu, neutron = 1.00867 amu, electron = 0.00055 amu, and 13C = 13.00335 amu.

Accepted Answer

A)  0.10432 amu 
B)  0.0102 amu 
C)  0.10487 amu 
D)  0.10817 amu 
E)  0.00335 amu 
A)  0.10432 amu 
B)  0.0102 amu 
C)  0.10487 amu 
D)  0.10817 amu 
E)  0.00335 amu

Question 7

Which of the following nuclear species would require the least amount of kinetic energy to penetrate the nucleus of a lead (Pb) atom?

Accepted Answer

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

Question 8

Choose the INCORRECT statement.

Accepted Answer

A)  The nuclear binding energy is the mass changed to energy that holds the nucleus together. 
B)  Magic numbers are certain numbers of protons and/or neutrons which are especially stable. 
C)  Even numbers of protons and neutrons are more stable. 
D)  Particular ratios of neutrons to protons are more stable. 
E)  All isotopes below Bi are stable. 
A)  The nuclear binding energy is the mass changed to energy that holds the nucleus together. 
B)  Magic numbers are certain numbers of protons and/or neutrons which are especially stable. 
C)  Even numbers of protons and neutrons are more stable. 
D)  Particular ratios of neutrons to protons are more stable. 
E)  All isotopes below Bi are stable.

Question 9

Which statement below is correct?

Accepted Answer

A)  In order for fusion to be sustained, the critical mass must be exceeded. 
B)  Fission reactions with light nuclei, such as helium are easily controlled but do not produce as much energy as with heavy nuclei. 
C)  Breeder reactors are able to convert fissile nuclides into fertile ones, thus "breeding" more fuel. 
D)  In a pressurized water reactor, cadmium metal usually acts as the moderator. 
E)    requires energetic neutrons in order to undergo fission and subsequently produces
  . 
A)  In order for fusion to be sustained, the critical mass must be exceeded. 
B)  Fission reactions with light nuclei, such as helium are easily controlled but do not produce as much energy as with heavy nuclei. 
C)  Breeder reactors are able to convert fissile nuclides into fertile ones, thus "breeding" more fuel. 
D)  In a pressurized water reactor, cadmium metal usually acts as the moderator. 
E)    requires energetic neutrons in order to undergo fission and subsequently produces
  .

Question 10

205Pb + ________ → 205Tl

Accepted Answer

A)    
B)    
C)    
D)  gamma 
E)    
A)    
B)    
C)    
D)  gamma 
E)

Question 11

A certain isotope has a half-life of 14.7 min. How long will it take for 24.2% of the isotope to decay?

Accepted Answer

A)  5.88 min 
B)  30.1 min 
C)  4.07 min 
D)  0.0131 min 
E)  0.400 min 
A)  5.88 min 
B)  30.1 min 
C)  4.07 min 
D)  0.0131 min 
E)  0.400 min

Question 12

There have been two ways of making transuranium elements: heavy-atom bombardment and:

Accepted Answer

A)  beta bombardment 
B)  gamma bombardment 
C)  positron bombardment 
D)  photon bombardment 
E)  neutron bombardment 
A)  beta bombardment 
B)  gamma bombardment 
C)  positron bombardment 
D)  photon bombardment 
E)  neutron bombardment

Question 13

Which of the following nuclides is most likely to be stable?

Accepted Answer

A)  208Pb 
B)  209Bi 
C)  205Tl 
D)  24Na 
A)  208Pb 
B)  209Bi 
C)  205Tl 
D)  24Na

Question 14

Identify a reaction that follows a different decay process than the rest.

Accepted Answer

A)    →
  
B)    →
  
C)    →
  
D)    →
  
E)    →
  
A)    →
  
B)    →
  
C)    →
  
D)    →
  
E)    →

Question 15

Ion production is the way radiation causes the most damage.

Accepted Answer

A) True 
 B)False

Question 16

8Be → 4He + ________

Accepted Answer

A)  3Be 
B)  8He 
C)  4He 
D)  4Li 
E)  12C 
A)  3Be 
B)  8He 
C)  4He 
D)  4Li 
E)  12C

Question 17

Choose the correct word to describe the nuclear stability of the following isotope. If it is radioactive, choose the most likely mode of decay. 212Po

Accepted Answer

A)  radioactive, beta 
B)  radioactive, fission 
C)  radioactive, alpha 
D)  radioactive, neutron 
E)  stable 
A)  radioactive, beta 
B)  radioactive, fission 
C)  radioactive, alpha 
D)  radioactive, neutron 
E)  stable

Question 18

________ + β- → 37Cl

Accepted Answer

A)  37Ar 
B)  38Ar 
C)  38Cl 
D)  37K 
E)  36K 
A)  37Ar 
B)  38Ar 
C)  38Cl 
D)  37K 
E)  36K

Question 19

Radioactivity is a first order kinetics process.

Accepted Answer

A) True 
 B)False

Question 20

6He → β- + ________

Accepted Answer

A)  6H 
B)  5He 
C)  7He 
D)  6Li 
E)  7Be 
A)  6H 
B)  5He 
C)  7He 
D)  6Li 
E)  7Be

Exam 25: Nuclear Chemistry 1-41

Fill in the blank in the following nuclear reaction. → _____ +

Choose the INCORRECT statement.

Transuranium elements can be produced by bombarding nuclei with:

The charcoal from ashes found in a cave gave 3.34 14C counts per gram per minute. Wood from the outer portion of a growing tree gives a comparable count of 16.0. The half-life of 14C is 5700 years. How old are the ashes?

Complete the following fusion reaction: +

What is the binding energy, in amu, of 13C? Masses are: proton = 1.00728 amu, neutron = 1.00867 amu, electron = 0.00055 amu, and 13C = 13.00335 amu.

Which of the following nuclear species would require the least amount of kinetic energy to penetrate the nucleus of a lead (Pb) atom?

Choose the INCORRECT statement.

Which statement below is correct?

205Pb + ________ → 205Tl

A certain isotope has a half-life of 14.7 min. How long will it take for 24.2% of the isotope to decay?

There have been two ways of making transuranium elements: heavy-atom bombardment and:

Which of the following nuclides is most likely to be stable?

Identify a reaction that follows a different decay process than the rest.

Ion production is the way radiation causes the most damage.

8Be → 4He + ________

Choose the correct word to describe the nuclear stability of the following isotope. If it is radioactive, choose the most likely mode of decay. 212Po

________ + β- → 37Cl

Radioactivity is a first order kinetics process.

6He → β- + ________

Matter - Its Properties and Measurement

Atoms and the Atomic Theory

Chemical Compounds

Chemical Reactions

Introduction to Reactions in Aqueous Solutions

Gases

Thermochemistry

Electrons in Atoms

The Periodic Table and Some Atomic Properties

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Additional Aspects

Intermolecular Forces: Liquids and Solids

Solutions and Their Physical Properties

Chemical Kinetics

Principles of Chemical Equilibrium

Acids and Bases

Additional Aspects of Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Spontaneous Change: Entropy and Free Energy

Electrochemistry

Main Group Elements I: Groups 1, 2, 13, and 14

Main Group Elements II: Groups 18, 17, 16, 15, and Hydrogen

The Transition Elements

Complex Ions and Coordination Compounds

Structures of Organic Compounds

Reactions of Organic Compounds

Chemistry of the Living State

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