Question 1

Match the following.
-alpha particle

Accepted Answer

A)   e 
B)   p 
C)   He 
D)   g 
E)   n
F)  e 
A)   e 
B)   p 
C)   He 
D)   g 
E)   n
F)  e

Question 2

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

Accepted Answer

A)    Po 
B)    Hg 
C)    At 
D)    Pb 
E)    Rn 
A)    Po 
B)    Hg 
C)    At 
D)    Pb 
E)    Rn

Question 3

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

Accepted Answer

A)  I-131 
B)  Ar-40 
C)  F-18 
D)  Zr-90 
E)  Pb-206 
A)  I-131 
B)  Ar-40 
C)  F-18 
D)  Zr-90 
E)  Pb-206

Question 4

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

Accepted Answer

Neutrons, produced b

Question 5

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

Accepted Answer

A)    Ga 
B)    As 
C)    Zn 
D)    As 
E)    Ga 
A)    Ga 
B)    As 
C)    Zn 
D)    As 
E)    Ga

Question 6

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 7

Give the maximum age that can be estimated from radiocarbon dating.

Accepted Answer

A)  100 000 years 
B)  1 000 000 years 
C)  50 000 years 
D)  5000 years 
E)  10 000 years 
A)  100 000 years 
B)  1 000 000 years 
C)  50 000 years 
D)  5000 years 
E)  10 000 years

Question 8

Identify the missing particle in the following nuclear equation: 
  Th →   He + ?

Accepted Answer

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

Question 9

What is the unit for the measure of an absorbed dose of radiation and what is its SI definition?

Accepted Answer

A)  watt, 1W = 1 J/1 sec 
B)  joule, 1 J = (mv2)/2 
C)  becquerel, 1 Bq = (number of decay events)/time 
D)  sievert, 1 Sv = 1 J/(kg of body tissue) 
E)  gray, 1 Gy = 1 J/(kg of body tissue) 
A)  watt, 1W = 1 J/1 sec 
B)  joule, 1 J = (mv2)/2 
C)  becquerel, 1 Bq = (number of decay events)/time 
D)  sievert, 1 Sv = 1 J/(kg of body tissue) 
E)  gray, 1 Gy = 1 J/(kg of body tissue)

Question 10

Describe what changes occur in the atomic nucleus during gamma ray emission.

Accepted Answer

A)  The mass number and atomic number decrease. 
B)  The mass number and atomic number increase. 
C)  The mass number is unchanged 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 is unchanged 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 11

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

Accepted Answer

A)    Th 
B)    Np 
C)    Ac 
D)    U 
E)    Th 
A)    Th 
B)    Np 
C)    Ac 
D)    U 
E)    Th

Question 12

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 13

The half-life of cobalt-60 is 5.20 y. How many milligrams of a 6.000-mg sample remain after 10.5 years?

Accepted Answer

A)  5.75 mg 
B)  24.3 mg 
C)  0.0543 mg 
D)  0.123 mg 
E)  1.48 mg 
A)  5.75 mg 
B)  24.3 mg 
C)  0.0543 mg 
D)  0.123 mg 
E)  1.48 mg

Question 14

How does a film-badge dosimeter measure exposure to radioactivity?

Accepted Answer

A film-badge dosimeter is usually a piec

Question 15

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 16

Which particle has the lowest penetrating power?

Accepted Answer

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

Question 17

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

Accepted Answer

A)    Ar 
B)    K 
C)    S 
D)    P 
E)    Ar 
A)    Ar 
B)    K 
C)    S 
D)    P 
E)    Ar

Question 18

Match the following.
-gamma ray

Accepted Answer

A)   e 
B)   p 
C)   He 
D)   g 
E)   n
F)  e 
A)   e 
B)   p 
C)   He 
D)   g 
E)   n
F)  e

Question 19

Calculate the mass defect in Fe-56 if the mass of an Fe-56 nucleus is 55.921 u. The mass of a proton is 1.00728 u and the mass of a neutron is 1.008665 u.

Accepted Answer

A)  0.528 u 
B)  3.507 u 
C)  0.564 u 
D)  1.056 u 
E)  0.079 u 
A)  0.528 u 
B)  3.507 u 
C)  0.564 u 
D)  1.056 u 
E)  0.079 u

Question 20

Write the nuclear equation for the beta decay of   Th.

Accepted Answer

A)    e +   Th →   Ac 
B)    n +   Th →   Th 
C)    Th →   e +   Ac 
D)    Th →   He +   Ra 
E)    
A)    e +   Th →   Ac 
B)    n +   Th →   Th 
C)    Th →   e +   Ac 
D)    Th →   He +   Ra 
E)

Exam 19: Radioactivity and Nuclear Chemistry

Match the following. -alpha particle

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

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

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

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

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

Give the maximum age that can be estimated from radiocarbon dating.

Identify the missing particle in the following nuclear equation: Th → He + ?

What is the unit for the measure of an absorbed dose of radiation and what is its SI definition?

Describe what changes occur in the atomic nucleus during gamma ray emission.

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

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

The half-life of cobalt-60 is 5.20 y. How many milligrams of a 6.000-mg sample remain after 10.5 years?

How does a film-badge dosimeter measure exposure to radioactivity?

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

Which particle has the lowest penetrating power?

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

Match the following. -gamma ray

Calculate the mass defect in Fe-56 if the mass of an Fe-56 nucleus is 55.921 u. The mass of a proton is 1.00728 u and the mass of a neutron is 1.008665 u.

Write the nuclear equation for the beta decay of Th.

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

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, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Organic Chemistry I: Structures

Organic Chemistry Ii: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters