Question 1

Identify the radioactive green light that glows in the dark.

Accepted Answer

A)  methyl red 
B)  radioactivity 
C)  phosphorescence 
D)  desensitivity 
E)  neon 
A)  methyl red 
B)  radioactivity 
C)  phosphorescence 
D)  desensitivity 
E)  neon

Question 2

Determine the identity of the daughter nuclide from the positron emission of   F.

Accepted Answer

A)    Na 
B)    F 
C)    N 
D)    O 
E)    Ne 
A)    Na 
B)    F 
C)    N 
D)    O 
E)    Ne

Question 3

The half-life of tungsten-177 is 132 min.After 180 minutes,you have 302 mg left.How much material must you have started out with?

Accepted Answer

A)  532 mg 
B)  43.1 mg 
C)  777 mg 
D)  553 mg 
E)  684 mg 
A)  532 mg 
B)  43.1 mg 
C)  777 mg 
D)  553 mg 
E)  684 mg

Question 4

If we start with 1.000 g of strontium-90,0.953 g will remain after 2.00 yr.This means that the half-life of strontium-90 is ________ yr.

Accepted Answer

A)  1.45 
B)  2.10 
C)  28.8 
D)  1.91 
E)  41.6 
A)  1.45 
B)  2.10 
C)  28.8 
D)  1.91 
E)  41.6

Question 5

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

Accepted Answer

A)    Fr 
B)    Ac 
C)    Po 
D)    Th 
E)    Rn 
A)    Fr 
B)    Ac 
C)    Po 
D)    Th 
E)    Rn

Question 6

Fluorine-18 undergoes positron emission with a half-life of 1.10 × 102 minutes.If a patient is given a 248 mg dose for a PET scan,how long will it take for the amount of fluorine-18 to drop to 83 mg? (Assume that none of the fluorine is excreted from the body.)

Accepted Answer

A)  99 minutes 
B)  1.74 × 102 minutes 
C)  1.32 × 102 minutes 
D)  3.00 × 102 minutes 
E)  2.11 × 102 minutes 
A)  99 minutes 
B)  1.74 × 102 minutes 
C)  1.32 × 102 minutes 
D)  3.00 × 102 minutes 
E)  2.11 × 102 minutes

Question 7

technetium-99m can be used to label antibodies in order to help locate infections.What type of emission is associated with technetium-99m?

Accepted Answer

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

Question 8

Which nuclide below is most likely to decay by electron capture?

Accepted Answer

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

Question 9

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

Accepted Answer

A)    C 
B)    He 
C)    B 
D)    Li 
E)    B 
A)    C 
B)    He 
C)    B 
D)    Li 
E)    B

Question 10

Identify the scientist(s)that were awarded the Nobel Prize in physics for the discovery of radioactivity in 1903.

Accepted Answer

A)  Johannes Geiger, Marie Curie 
B)  Albert Einstein 
C)  Antoine-Henri Becquerel, Marie Curie, Pierre Curie 
D)  Ernest Rutherford, Johannes Geiger 
E)  Galileo Galilei 
A)  Johannes Geiger, Marie Curie 
B)  Albert Einstein 
C)  Antoine-Henri Becquerel, Marie Curie, Pierre Curie 
D)  Ernest Rutherford, Johannes Geiger 
E)  Galileo Galilei

Question 11

Identify the technique used to predict the age of the Shroud of Turin.

Accepted Answer

A)  uranium-238 to lead-206 
B)  potassium-40 to argon-40 
C)  carbon-14 to nitrogen-14 
D)  none of the above 
E)  all of the above 
A)  uranium-238 to lead-206 
B)  potassium-40 to argon-40 
C)  carbon-14 to nitrogen-14 
D)  none of the above 
E)  all of the above

Question 12

Determine the identity of the daughter nuclide from the beta decay of   P.

Accepted Answer

A)    P 
B)    S 
C)    S 
D)    Si 
E)    Al 
A)    P 
B)    S 
C)    S 
D)    Si 
E)    Al

Question 13

Calculate the mass defect in Mo-96 if the mass of a Mo-96 nucleus is 95.962 amu.The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu.

Accepted Answer

A)  0.197 amu 
B)  0.795 amu 
C)  0.212 amu 
D)  0.812 amu 
E)  0.188 amu 
A)  0.197 amu 
B)  0.795 amu 
C)  0.212 amu 
D)  0.812 amu 
E)  0.188 amu

Question 14

Write a nuclear equation for the alpha decay of   Pu.

Accepted Answer

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

Question 15

The following reaction represents what nuclear process?   H +   H →   He +   n

Accepted Answer

A)  nuclear fusion 
B)  alpha emission 
C)  beta emission 
D)  nuclear fission 
E)  neutron capture 
A)  nuclear fusion 
B)  alpha emission 
C)  beta emission 
D)  nuclear fission 
E)  neutron capture

Question 16

Identify the following diagnostic procedure that gives the lowest dose of radiation.

Accepted Answer

A)  dental x-ray - panoramic 
B)  upper gastrointestinal tract x-ray 
C)  chest x-ray 
D)  mammogram 
E)  x-ray after barium enema 
A)  dental x-ray - panoramic 
B)  upper gastrointestinal tract x-ray 
C)  chest x-ray 
D)  mammogram 
E)  x-ray after barium enema

Question 17

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

Accepted Answer

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

Question 18

Write a nuclear equation to describe the neutron induced fission of U-235 to form Xe-134 and Sr-100.Determine how many neutrons are produced in the reaction.

Accepted Answer

A)  4 
B)  3 
C)  1 
D)  0 
E)  2 
A)  4 
B)  3 
C)  1 
D)  0 
E)  2

Question 19

Determine the identity of the daughter nuclide from the positron emission of   C.

Accepted Answer

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

Question 20

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

Accepted Answer

A)    U 
B)    Pa 
C)    Ra 
D)    Ac 
E)    Th 
A)    U 
B)    Pa 
C)    Ra 
D)    Ac 
E)    Th

Exam 21: Radioactivity and Nuclear Chemistry

Identify the radioactive green light that glows in the dark.

Determine the identity of the daughter nuclide from the positron emission of F.

The half-life of tungsten-177 is 132 min.After 180 minutes,you have 302 mg left.How much material must you have started out with?

If we start with 1.000 g of strontium-90,0.953 g will remain after 2.00 yr.This means that the half-life of strontium-90 is ________ yr.

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

Fluorine-18 undergoes positron emission with a half-life of 1.10 × 102 minutes.If a patient is given a 248 mg dose for a PET scan,how long will it take for the amount of fluorine-18 to drop to 83 mg? (Assume that none of the fluorine is excreted from the body.)

technetium-99m can be used to label antibodies in order to help locate infections.What type of emission is associated with technetium-99m?

Which nuclide below is most likely to decay by electron capture?

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

Identify the scientist(s)that were awarded the Nobel Prize in physics for the discovery of radioactivity in 1903.

Identify the technique used to predict the age of the Shroud of Turin.

Determine the identity of the daughter nuclide from the beta decay of P.

Calculate the mass defect in Mo-96 if the mass of a Mo-96 nucleus is 95.962 amu.The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu.

Write a nuclear equation for the alpha decay of Pu.

The following reaction represents what nuclear process? H + H → He + n

Identify the following diagnostic procedure that gives the lowest dose of radiation.

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

Write a nuclear equation to describe the neutron induced fission of U-235 to form Xe-134 and Sr-100.Determine how many neutrons are produced in the reaction.

Determine the identity of the daughter nuclide from the positron emission of C.

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

Essentials: Units, Measurements, and Problem Solving

Atoms

The Quantum Mechanical Model of the Atom

Periodic Properties of the Elements

Molecules and Compounds

Chemical Bonding I

Chemical Bonding Ii

Chemical Reactions and Chemical Quantities

Introduction to Solutions and Aqueous Reactions

Thermochemistry

Gases

Liquids, Solids, and Intermolecular Forces

Crystalline Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Organic Chemistry

Transition Metals and Coordination Compounds

Filters

Fluorine-18 undergoes positron emission with a half-life of 1.10 × 10² minutes.If a patient is given a 248 mg dose for a PET scan,how long will it take for the amount of fluorine-18 to drop to 83 mg? (Assume that none of the fluorine is excreted from the body.)