Question 1

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 D

Question 2

Which particle has the highest penetrating power?

Accepted Answer

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

Question 3

Match the following.
-gamma ray

Accepted Answer

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

Question 4

A rock contains 0.167 mg of lead-206 for each milligram of uranium-238.The half-life for the decay of uranium-238 to lead-206 is 4.5 × 109 yr.The rock was formed ________ years ago.

Accepted Answer

A) 7.52 × 108 
B) 6.08 × 108 
C) 7.95 × 108 
D) 1.15 × 109 
E) 8.77 × 108 
A) 7.52 × 108 
B) 6.08 × 108 
C) 7.95 × 108 
D) 1.15 × 109 
E) 8.77 × 108

Question 5

Determine the half-life of a nuclide that loses 38.0% of its mass in 387 hours.

Accepted Answer

A) 277 hours 
B) 455 hour 
C) 561 hours 
D) 639 hours 
E) 748 hours 
A) 277 hours 
B) 455 hour 
C) 561 hours 
D) 639 hours 
E) 748 hours

Question 6

Determine the binding energy of an O-16 nucleus.The O-16 nucleus has a mass of 15.9905 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) 8.84 MeV 
B) 128 MeV 
C) 138 MeV 
D) 78.1 MeV 
E) 38.2 MeV 
A) 8.84 MeV 
B) 128 MeV 
C) 138 MeV 
D) 78.1 MeV 
E) 38.2 MeV

Question 7

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

Accepted Answer

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

Question 8

The radioactive decay of ________ is the single greatest source of human exposure to radiation.

Accepted Answer

A) radon 
B) uranium 
C) ozone 
D) hydrogen 
E) thorium 
A) radon 
B) uranium 
C) ozone 
D) hydrogen 
E) thorium

Question 9

Write a nuclear equation for the alpha decay of  U.

Accepted Answer

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

Question 10

Write the nuclear equation for the alpha decay of  Ra.

Accepted Answer

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

Question 11

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 12

The following reaction represents what nuclear process? 
 U + N → Ba + Kr +  N

Accepted Answer

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

Question 13

What is the "mass defect"?

Accepted Answer

The mass of a nucleus is less than the s

Question 14

Above what atomic number are there no stable isotopes of any element?

Accepted Answer

A) 20 
B) 92 
C) 83 
D) 40 
E) 89 
A) 20 
B) 92 
C) 83 
D) 40 
E) 89

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

If a sample initially contains 1.35 mg of Plutonium-236,what mass of Pu-236 is present after 5.00 years? (half-life is 2.86 years)

Accepted Answer

A) 0.675 mg 
B) 0.402 mg 
C) 0.240 mg 
D) 1.43 mg 
A) 0.675 mg 
B) 0.402 mg 
C) 0.240 mg 
D) 1.43 mg

Question 17

Describe what changes occur 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 18

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 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 19

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

Accepted Answer

A)   Th 
B)   Ra 
C)   Pu 
D)   Th 
E)   Ra 
A)   Th 
B)   Ra 
C)   Pu 
D)   Th 
E)   Ra

Question 20

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

Accepted Answer

A)   E 
B)   N 
C)   E 
D)   H 
E)   Γ 
A)   E 
B)   N 
C)   E 
D)   H 
E)   Γ

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

Which particle has the highest penetrating power?

Match the following. -gamma ray

A rock contains 0.167 mg of lead-206 for each milligram of uranium-238.The half-life for the decay of uranium-238 to lead-206 is 4.5 × 10⁹ yr.The rock was formed ________ years ago.

Determine the half-life of a nuclide that loses 38.0% of its mass in 387 hours.

Determine the binding energy of an O-16 nucleus.The O-16 nucleus has a mass of 15.9905 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.

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

The radioactive decay of ________ is the single greatest source of human exposure to radiation.

Write a nuclear equation for the alpha decay of U.

Write the nuclear equation for the alpha decay of Ra.

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

The following reaction represents what nuclear process? U +N →Ba +Kr + 3N

What is the "mass defect"?

Above what atomic number are there no stable isotopes of any element?

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

If a sample initially contains 1.35 mg of Plutonium-236,what mass of Pu-236 is present after 5.00 years? (half-life is 2.86 years)

Describe what changes occur during gamma ray emission.

Describe what changes occur during alpha decay.

Identify the missing particle in the following nuclear equation: U → ? +He + 2Γ

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

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, and

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Filters

Exam 19: Radioactivity and Nuclear Chemistry

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

Which particle has the highest penetrating power?

Match the following. -gamma ray

A rock contains 0.167 mg of lead-206 for each milligram of uranium-238.The half-life for the decay of uranium-238 to lead-206 is 4.5 × 109 yr.The rock was formed ________ years ago.

Determine the half-life of a nuclide that loses 38.0% of its mass in 387 hours.

Determine the binding energy of an O-16 nucleus.The O-16 nucleus has a mass of 15.9905 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.

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

The radioactive decay of ________ is the single greatest source of human exposure to radiation.

Write a nuclear equation for the alpha decay of U.

Write the nuclear equation for the alpha decay of Ra.

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

The following reaction represents what nuclear process? U +N →Ba +Kr + 3N

What is the "mass defect"?

Above what atomic number are there no stable isotopes of any element?

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

If a sample initially contains 1.35 mg of Plutonium-236,what mass of Pu-236 is present after 5.00 years? (half-life is 2.86 years)

Describe what changes occur during gamma ray emission.

Describe what changes occur during alpha decay.

Identify the missing particle in the following nuclear equation: U → ? +He + 2Γ

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

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, and

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Filters

A rock contains 0.167 mg of lead-206 for each milligram of uranium-238.The half-life for the decay of uranium-238 to lead-206 is 4.5 × 10⁹ yr.The rock was formed ________ years ago.