Question 1

Identify the radiotracer used to study the thyroid.

Accepted Answer

A)  iron-59 
B)  phosphorus-32 
C)  thallium-201 
D)  iodine-131 
E)  fluorine-18 
A)  iron-59 
B)  phosphorus-32 
C)  thallium-201 
D)  iodine-131 
E)  fluorine-18

Question 2

Write a nuclear equation for the alpha decay of   Am.

Accepted Answer

A)    Am →
  He +
  Np 
B)    Am →
  He +
  Bk 
C)    Am →
  e +
  Cm 
D)    Am →
  e +
  Pu 
E)    Am →
  n +
  Am 
A)    Am →
  He +
  Np 
B)    Am →
  He +
  Bk 
C)    Am →
  e +
  Cm 
D)    Am →
  e +
  Pu 
E)    Am →
  n +
  Am

Question 3

If we start with 1.000 g of strontium-90,0.908 g will remain after 4.00 yr.This means that the half-life of strontium-90 is ________ yr.

Accepted Answer

A)  3.05 
B)  4.40 
C)  28.8 
D)  3.63 
E)  41.6 
A)  3.05 
B)  4.40 
C)  28.8 
D)  3.63 
E)  41.6

Question 4

Determine the binding energy per nucleon of an Mg-24 nucleus.The Mg-24 nucleus has a mass of 23.985045.A proton has a mass of 1.00728 amu,a neutron has a mass of 1.008665 amu,and 1 amu is equivalent to 931.5 MeV of energy.

Accepted Answer

A)  0.3050 MeV 
B)  8.83 MeV 
C)  0.113 MeV 
D)  192 MeV 
E)  4.41 MeV 
A)  0.3050 MeV 
B)  8.83 MeV 
C)  0.113 MeV 
D)  192 MeV 
E)  4.41 MeV

Question 5

Give the conditions for nuclear fusion.

Accepted Answer

A)  1 atmosphere 
B)  catalyst 
C)  low temperature 
D)  low pressure 
E)  high temperature 
A)  1 atmosphere 
B)  catalyst 
C)  low temperature 
D)  low pressure 
E)  high temperature

Question 6

In a cyclotron,

Accepted Answer

A)  an uncharged particle is accelerated in an evacuated tube. 
B)  a similarly alternating voltage is used to accelerate a charged particle. 
C)  a charged particle is accelerated in an evacuated tube. 
D)  a single phase voltage is used to accelerate a charged particle. 
E)  a similarly alternating voltage is used to accelerate an uncharged particle. 
A)  an uncharged particle is accelerated in an evacuated tube. 
B)  a similarly alternating voltage is used to accelerate a charged particle. 
C)  a charged particle is accelerated in an evacuated tube. 
D)  a single phase voltage is used to accelerate a charged particle. 
E)  a similarly alternating voltage is used to accelerate an uncharged particle.

Question 7

Define chain reaction in terms of the fission of uranium nucleus.

Accepted Answer

Neutrons,produced by

Question 8

Determine the identity of the daughter nuclide from the alpha decay of   Rn.

Accepted Answer

A)    Po 
B)    Ra 
C)    Th 
D)    Rn 
E)    At 
A)    Po 
B)    Ra 
C)    Th 
D)    Rn 
E)    At

Question 9

Which of the following statements is TRUE?

Accepted Answer

A)  If N/Z ratio is too high, there are too many protons and the nuclide will undergo positron emission or electron capture. 
B)  If N/Z ratio lies somewhere below 1, the nuclide is stable. 
C)  If N/Z ratio is too low, there are too many neutrons and the nuclide will undergo beta decay. 
D)  The valley of stability is the geographic location where many of the known nuclides were first discovered. 
E)  None of the above is true. 
A)  If N/Z ratio is too high, there are too many protons and the nuclide will undergo positron emission or electron capture. 
B)  If N/Z ratio lies somewhere below 1, the nuclide is stable. 
C)  If N/Z ratio is too low, there are too many neutrons and the nuclide will undergo beta decay. 
D)  The valley of stability is the geographic location where many of the known nuclides were first discovered. 
E)  None of the above is true.

Question 10

Which of the following nuclides are most likely to decay via beta decay?

Accepted Answer

A)  I-126 
B)  Al-24 
C)  N-13 
D)  Cs-137 
E)  Na-20 
A)  I-126 
B)  Al-24 
C)  N-13 
D)  Cs-137 
E)  Na-20

Question 11

Describe what changes occur during alpha decay.

Accepted Answer

A)  The mass number and atomic number decrease. 
B)  The mass number and atomic number increase. 
C)  The mass number increases and the atomic number decreases. 
D)  The mass number is unchanged and the atomic number increases. 
E)  The mass number and atomic number do not change. 
A)  The mass number and atomic number decrease. 
B)  The mass number and atomic number increase. 
C)  The mass number increases and the atomic number decreases. 
D)  The mass number is unchanged and the atomic number increases. 
E)  The mass number and atomic number do not change.

Question 12

Determine the identity of the daughter nuclide from the electron capture by   Fe.

Accepted Answer

A)    Co 
B)    Mn 
C)    Co 
D)    Mn 
E)    Cr 
A)    Co 
B)    Mn 
C)    Co 
D)    Mn 
E)    Cr

Question 13

In addition to a beta particle,what is the other product of beta decay of   Pb?

Accepted Answer

A)    Hg 
B)    Tl 
C)    Bi 
D)    Po 
A)    Hg 
B)    Tl 
C)    Bi 
D)    Po

Question 14

Stable isotopes,with low atomic numbers,have a N/Z ratio of 1.What does that imply?

Accepted Answer

A)  The number of neutrons equals the number of protons. 
B)  The number of neutrons equals the number of electrons plus protons. 
C)  The number of electrons equals the number of protons plus neutrons. 
D)  The atomic number equals twice the atomic mass. 
E)  The number of protons equals the number of electrons plus neutrons. 
A)  The number of neutrons equals the number of protons. 
B)  The number of neutrons equals the number of electrons plus protons. 
C)  The number of electrons equals the number of protons plus neutrons. 
D)  The atomic number equals twice the atomic mass. 
E)  The number of protons equals the number of electrons plus neutrons.

Question 15

Nuclides above the valley of stability can become more stable through which of the following processes?

Accepted Answer

A)  beta emission 
B)  positron capture 
C)  alpha capture 
D)  electron capture 
E)  neutron emission 
A)  beta emission 
B)  positron capture 
C)  alpha capture 
D)  electron capture 
E)  neutron emission

Question 16

Determine the binding energy of an F-19 nucleus.The F-19 nucleus has a mass of 18.99840325 amu.A proton has a mass of 1.00728 amu,a neutron has a mass of 1.008665 amu,and 1 amu is equivalent to 931 MeV of energy.

Accepted Answer

A)  142 MeV 
B)  796 MeV 
C)  1080 MeV 
D)  143 MeV 
E)  145 MeV 
A)  142 MeV 
B)  796 MeV 
C)  1080 MeV 
D)  143 MeV 
E)  145 MeV

Question 17

The number of nucleons in a   Co nucleus is

Accepted Answer

A)  27. 
B)  33. 
C)  60. 
D)  87. 
A)  27. 
B)  33. 
C)  60. 
D)  87.

Question 18

Match between columns
                        Premises: beta particle
gamma ray
alpha particle
neutron
proton
positron
electron

Accepted Answer

The Answer of 11ec9570_4efe_f4d1_9e8e_efcbe0dbe44e_TB6107_11 and 11ec9570_4820_8890_9e8e_c7aced2efbe8_TB6107_11 and 11ec9570_5655_7742_9e8e_293215ec3526_TB6107_11 and 11ec9570_3fed_d6ef_9e8e_0b67dd9d1f8b_TB6107_11 is...

Question 19

Which of the following nuclides are most likely to decay via positron emission?

Accepted Answer

A)  Cs-137 
B)  I-131 
C)  Al-24 
D)  K-42 
E)  N-14 
A)  Cs-137 
B)  I-131 
C)  Al-24 
D)  K-42 
E)  N-14

Question 20

Complete the following equation of transmutation.   N +   He →   O + ______

Accepted Answer

A)    e 
B)    γ 
C)    n 
D)    H 
E)    n 
A)    e 
B)    γ 
C)    n 
D)    H 
E)    n

Exam 20: Radioactivity and Nuclear Chemistry

Identify the radiotracer used to study the thyroid.

Write a nuclear equation for the alpha decay of Am.

If we start with 1.000 g of strontium-90,0.908 g will remain after 4.00 yr.This means that the half-life of strontium-90 is ________ yr.

Determine the binding energy per nucleon of an Mg-24 nucleus.The Mg-24 nucleus has a mass of 23.985045.A proton has a mass of 1.00728 amu,a neutron has a mass of 1.008665 amu,and 1 amu is equivalent to 931.5 MeV of energy.

Give the conditions for nuclear fusion.

In a cyclotron,

Define chain reaction in terms of the fission of uranium nucleus.

Determine the identity of the daughter nuclide from the alpha decay of Rn.

Which of the following statements is TRUE?

Which of the following nuclides are most likely to decay via beta decay?

Describe what changes occur during alpha decay.

Determine the identity of the daughter nuclide from the electron capture by Fe.

In addition to a beta particle,what is the other product of beta decay of Pb?

Stable isotopes,with low atomic numbers,have a N/Z ratio of 1.What does that imply?

Nuclides above the valley of stability can become more stable through which of the following processes?

Determine the binding energy of an F-19 nucleus.The F-19 nucleus has a mass of 18.99840325 amu.A proton has a mass of 1.00728 amu,a neutron has a mass of 1.008665 amu,and 1 amu is equivalent to 931 MeV of energy.

The number of nucleons in a Co nucleus is

Which of the following nuclides are most likely to decay via positron emission?

Complete the following equation of transmutation. N + He → O + ______

Matter, measurement, and Problem Solving

Atoms and Elements

Molecules,compounds,and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes,valence Bond Theory,

Liquids,solids,and Intermolecular Forces

Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Organic Chemistry

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

The number of nucleons in a Conucleusis