Question 1

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

Accepted Answer

A)  15 
B)  93 
C)  83 
D)  60 
E)  88 
A)  15 
B)  93 
C)  83 
D)  60 
E)  88

Question 2

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

Accepted Answer

A)    Ru 
B)    Rh 
C)    Nb 
D)    Mo 
E)    Ru 
A)    Ru 
B)    Rh 
C)    Nb 
D)    Mo 
E)    Ru

Question 3

Write the nuclear equation for the alpha decay of   Ra.

Accepted Answer

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

Question 4

Complete the following equation of transmutation.   Al +   He →   P + ______

Accepted Answer

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

Question 5

Neptunium-239 has a half-life of 2.35 days.How many days must elapse for a sample of 239Np to decay to 0.100% of its original quantity?

Accepted Answer

A)  0.0427 days 
B)  1.491 days 
C)  2.04 days 
D)  23.4 days 
A)  0.0427 days 
B)  1.491 days 
C)  2.04 days 
D)  23.4 days

Question 6

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 7

Describe what changes occur during beta 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 is unchanged. 
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 is unchanged. 
D)  The mass number is unchanged and the atomic number increases. 
E)  The mass number and atomic number do not change.

Question 8

Identify the radiotracer used to study problems with blood.

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 9

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 10

Complete the following equation of nuclear transmutation.   U +   C →   Cf + 6 _______

Accepted Answer

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

Question 11

Identify the lowest natural radiation.

Accepted Answer

A)  cosmic radiation from outer space 
B)  terrestrial radiation 
C)  natural radionuclides in the body 
D)  a five-hour jet airplane ride 
E)  radon gas 
A)  cosmic radiation from outer space 
B)  terrestrial radiation 
C)  natural radionuclides in the body 
D)  a five-hour jet airplane ride 
E)  radon gas

Question 12

Identify an alpha particle.

Accepted Answer

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

Question 13

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

Accepted Answer

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

Question 14

The following reaction represents what nuclear process?   Cs +   e →   Xe

Accepted Answer

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

Question 15

Identify the radioactive green light that glows in the dark.

Accepted Answer

A)  phenol red 
B)  radioactivity 
C)  phosphorescence 
D)  desensitivity 
E)  argon 
A)  phenol red 
B)  radioactivity 
C)  phosphorescence 
D)  desensitivity 
E)  argon

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

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

Write the nuclear equation for the alpha decay of Ra.

Complete the following equation of transmutation. Al + He → P + ______

Neptunium-239 has a half-life of 2.35 days.How many days must elapse for a sample of ²³⁹Np to decay to 0.100% of its original quantity?

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

Describe what changes occur during beta decay.

Identify the radiotracer used to study problems with blood.

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

Complete the following equation of nuclear transmutation. U + C → Cf + 6 _______

Identify the lowest natural radiation.

Identify an alpha particle.

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

The following reaction represents what nuclear process? Cs + e → Xe

Identify the radioactive green light that glows in the dark.

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

Exam 20: Radioactivity and Nuclear Chemistry

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

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

Write the nuclear equation for the alpha decay of Ra.

Complete the following equation of transmutation. Al + He → P + ______

Neptunium-239 has a half-life of 2.35 days.How many days must elapse for a sample of 239Np to decay to 0.100% of its original quantity?

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

Describe what changes occur during beta decay.

Identify the radiotracer used to study problems with blood.

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

Complete the following equation of nuclear transmutation. U + C → Cf + 6 _______

Identify the lowest natural radiation.

Identify an alpha particle.

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

The following reaction represents what nuclear process? Cs + e → Xe

Identify the radioactive green light that glows in the dark.

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

Neptunium-239 has a half-life of 2.35 days.How many days must elapse for a sample of ²³⁹Np to decay to 0.100% of its original quantity?