Question 1

The type of radioactive emission with the greatest penetrating power is ________.

Accepted Answer

A)  alpha 
B)  beta 
C)  gamma 
D)  positron 
E)  neutrino 
A)  alpha 
B)  beta 
C)  gamma 
D)  positron 
E)  neutrino

Question 2

Which of the following types of nuclear decay result in a decrease in nuclear charge? I) alpha emission
II) beta emission
III) position emission
IV) electron-capture

Accepted Answer

A)  I and II 
B)  II and IV 
C)  I and III 
D)  III and IV 
E)  IV only 
A)  I and II 
B)  II and IV 
C)  I and III 
D)  III and IV 
E)  IV only

Question 3

When a nitrogen nucleus containing six neutrons emits a positron, the product is ________.

Accepted Answer

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

Question 4

Choose the possible products for the nuclear reaction 40Ca + 4He(alpha).

Accepted Answer

A)  43Ar + n 
B)  43Sc + p 
C)  43Ca + n 
D)  42Ca + 2H 
E)  42Ti + n 
A)  43Ar + n 
B)  43Sc + p 
C)  43Ca + n 
D)  42Ca + 2H 
E)  42Ti + n

Question 5

Alpha particle bombardment of 27Al followed by neutron emission produces ________.

Accepted Answer

A)  30P 
B)  30Si 
C)  31Si 
D)  29P 
E)  32P 
A)  30P 
B)  30Si 
C)  31Si 
D)  29P 
E)  32P

Question 6

Radiation can be detected as it interacts with matter by the use of: I) photographic film
II) a bubble chamber
III) Geiger-Müller counter

Accepted Answer

A)  I, II, III 
B)  I and II 
C)  I and III 
D)  II and III 
E)  III only 
A)  I, II, III 
B)  I and II 
C)  I and III 
D)  II and III 
E)  III only

Question 7

decays via the reaction   →   +   + + λ What is the maximum energy of the gamma ray produced if atomic masses are:   = 11.00931 amu,   = 11.0216 amu,   = 0.00055 amu? Please express your answer in electron volts, amu = 931.5 MeV.

Accepted Answer

A)  11.4 MeV 
B)  0.0118 MeV 
C)  13.2 MeV 
D)  12.0 MeV 
E)  10.8 MeV 
A)  11.4 MeV 
B)  0.0118 MeV 
C)  13.2 MeV 
D)  12.0 MeV 
E)  10.8 MeV

Question 8

The unit of radiation which is equivalent to 0.010 J/kg of matter is the:

Accepted Answer

A)  curie 
B)  roentgen 
C)  rad 
D)  rem 
E)  MeV 
A)  curie 
B)  roentgen 
C)  rad 
D)  rem 
E)  MeV

Question 9

The most highly charged particle is:

Accepted Answer

A)  alpha 
B)  beta 
C)  gamma 
D)  positron 
E)  neutron 
A)  alpha 
B)  beta 
C)  gamma 
D)  positron 
E)  neutron

Question 10

Nuclear binding energy is: I) the energy liberated when forming a nucleus
II) related to "lost" mass by the relationship 1 amu = 28.4 MeV
III) related to "lost" mass by the relationship 1 amu = 931.5 MeV
IV) the force which holds the 3 atomic particles together

Accepted Answer

A)  I and II 
B)  I and III 
C)  I, II, and IV 
D)  I, III, and IV 
E)  III and IV 
A)  I and II 
B)  I and III 
C)  I, II, and IV 
D)  I, III, and IV 
E)  III and IV

Question 11

In the following process, what is the missing particle?   +   → _____ +

Accepted Answer

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

Question 12

A certain radioactive series starts with   and ends with   . In the overall process, ________ alpha particles and ________ beta particles are emitted.

Accepted Answer

A)  7, 10 
B)  7, 4 
C)  8, 6 
D)  14, 10 
E)  7, 8 
A)  7, 10 
B)  7, 4 
C)  8, 6 
D)  14, 10 
E)  7, 8

Question 13

Choose the INCORRECT statement.

Accepted Answer

A)  Fission is the combining of small nuclei into a larger nucleus. 
B)  Thermal neutrons induce more fission reactions than energetic neutrons. 
C)  Water is a good moderator, it slows down neutrons. 
D)  Control rods absorb neutrons. 
E)  Breeder reactors generate new fuel as well as electricity. 
A)  Fission is the combining of small nuclei into a larger nucleus. 
B)  Thermal neutrons induce more fission reactions than energetic neutrons. 
C)  Water is a good moderator, it slows down neutrons. 
D)  Control rods absorb neutrons. 
E)  Breeder reactors generate new fuel as well as electricity.

Question 14

An employee at a chemical laboratory studying radioisotopes would wear a badge to keep a check on the amount of radiation to which he is exposed. This radiation dosage would be measured in the unit:

Accepted Answer

A)  curie 
B)  rad 
C)  rem 
D)  Joules 
E)  Joules per kilogram 
A)  curie 
B)  rad 
C)  rem 
D)  Joules 
E)  Joules per kilogram

Question 15

What total energy is released when 0.75 grams of 235U undergo fission if each atom averages 3.2 × 10-11 J of energy released?

Accepted Answer

A)  1.45 × 1013 J 
B)  6.01 × 1031 J 
C)  6.15 × 1010 J 
D)  6.15 × 107 J 
E)  1.45 × 1010 J 
A)  1.45 × 1013 J 
B)  6.01 × 1031 J 
C)  6.15 × 1010 J 
D)  6.15 × 107 J 
E)  1.45 × 1010 J

Question 16

Bombardment of   by a deuteron,   , forms a proton and an isotope which has a mass number of ________ and an atomic number of ________.

Accepted Answer

A)  75, 32 
B)  75, 33 
C)  73, 32 
D)  76, 33 
E)  74, 34 
A)  75, 32 
B)  75, 33 
C)  73, 32 
D)  76, 33 
E)  74, 34

Question 17

There have been two ways of making transuranium elements: neutron bombardment and:

Accepted Answer

A)  beta bombardment 
B)  gamma bombardment 
C)  positron bombardment 
D)  photon bombardment 
E)  heavy-atom bombardment 
A)  beta bombardment 
B)  gamma bombardment 
C)  positron bombardment 
D)  photon bombardment 
E)  heavy-atom bombardment

Question 18

Which of the following is true concerning the nuclei of stable heavier elements?

Accepted Answer

A)  #   = #
  
B)  #   > #
  
C)  #    #e- 
A)  #   = #
  
B)  #   > #
  
C)  #    #e-

Question 19

Odd proton, odd neutron isotopes are generally more stable than even proton, even neutron isotopes.

Accepted Answer

A) True 
 B)False

Question 20

The nuclear binding energy for cobalt-59 is the energy released when:

Accepted Answer

A)  27 protons and 32 neutrons form cobalt-59 
B)  iron-56 and 2 protons form cobalt-59 
C)  27 protons and 27 neutrons form cobalt-59 
D)  cobalt-58 and 1 neutron form cobalt -59 
A)  27 protons and 32 neutrons form cobalt-59 
B)  iron-56 and 2 protons form cobalt-59 
C)  27 protons and 27 neutrons form cobalt-59 
D)  cobalt-58 and 1 neutron form cobalt -59

Exam 25: Nuclear Chemistry 1-41

The type of radioactive emission with the greatest penetrating power is ________.

Which of the following types of nuclear decay result in a decrease in nuclear charge? I) alpha emission II) beta emission III) position emission IV) electron-capture

When a nitrogen nucleus containing six neutrons emits a positron, the product is ________.

Choose the possible products for the nuclear reaction 40Ca + 4He(alpha).

Alpha particle bombardment of 27Al followed by neutron emission produces ________.

Radiation can be detected as it interacts with matter by the use of: I) photographic film II) a bubble chamber III) Geiger-Müller counter

decays via the reaction → + + + λ What is the maximum energy of the gamma ray produced if atomic masses are: = 11.00931 amu, = 11.0216 amu, = 0.00055 amu? Please express your answer in electron volts, amu = 931.5 MeV.

The unit of radiation which is equivalent to 0.010 J/kg of matter is the:

The most highly charged particle is:

Nuclear binding energy is: I) the energy liberated when forming a nucleus II) related to "lost" mass by the relationship 1 amu = 28.4 MeV III) related to "lost" mass by the relationship 1 amu = 931.5 MeV IV) the force which holds the 3 atomic particles together

In the following process, what is the missing particle? + → _____ +

A certain radioactive series starts with and ends with . In the overall process, ________ alpha particles and ________ beta particles are emitted.

Choose the INCORRECT statement.

An employee at a chemical laboratory studying radioisotopes would wear a badge to keep a check on the amount of radiation to which he is exposed. This radiation dosage would be measured in the unit:

What total energy is released when 0.75 grams of 235U undergo fission if each atom averages 3.2 × 10-11 J of energy released?

Bombardment of by a deuteron, , forms a proton and an isotope which has a mass number of ________ and an atomic number of ________.

There have been two ways of making transuranium elements: neutron bombardment and:

Which of the following is true concerning the nuclei of stable heavier elements?

Odd proton, odd neutron isotopes are generally more stable than even proton, even neutron isotopes.

The nuclear binding energy for cobalt-59 is the energy released when:

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

Filters

A certain radioactive series starts with and ends with . In the overall process, alpha particles and beta particles are emitted.

What total energy is released when 0.75 grams of 235U undergo fission if each atom averages 3.2 × 10^-11 J of energy released?

Bombardment of by a deuteron, , forms a proton and an isotope which has a mass number of and an atomic number of .