Question 1

Provided in the table below are two radionuclides and their corresponding half-life periods. Which radionuclide decays the fastest and which isotope is the least stable ?
Isotope Half-life period Lead - 210 22 Years Platinum - 190 6.9×1011 Years

Accepted Answer

A)   Lead - 210 decays the fastest and is the least stable.
B)   Lead - 210 decays the fastest and Platinum - 190 is the least stable.
C)   Platinum - 190 decays the fastest and is the least stable.
D)   Platinum - 190 decays the fastest and Lead - 210 is the least stable.
E)   They both decay at the same rate and Lead - 210 is the least stable.F) B) and D)
G) A) and B)

Question 2

Provided in the table below are two isotopes and their corresponding half-life periods. Which isotope decays the fastest and which isotope is the most stable ?
Isotope Half-life period Vanadium - 50 6.0×1015 Years Uranium - 235 7.1×108 Years

Accepted Answer

A)   Vanadium - 50 decays the fastest and is the most stable.
B)   Vanadium - 50 decays the fastest and Uranium - 235 is the most stable.
C)   Uranium - 235 decays the fastest and is the most stable.
D)   Uranium - 235 decays the fastest and Vanadium - 50 is the most stable.
E)   They both decay at the same rate and Vanadium - 50 is the most stable.F) A) and E)
G) B) and C)

Question 3

Which two natural radioactive decay processes will produce the same product nuclide?

Accepted Answer

A)   a decay and  decay
B)    and electron capture
C)    and 
D)    and electron capture
E)   none of theseF) B) and E)
G) B) and C)

Question 4

Curium - 248, 248Cm, was bombarded, yielding Antimony - 116, 116Sb, and Cesium - 160, 160Cs. What was the bombarding nucleus?

Accepted Answer

A)   "7 42 a"
B)   "28Ne"
C)   "28Ni"
D)   "28Si"
E)   "10B"F) B) and C)
G) All of the above

Question 5

One of the fission reactions that occurs in uranium reactors is:
10n  B)   3 10n  C)   42He  D)   31H  E)   none of these " class="answers-bank-image d-inline" rel="preload" > + 10n  B)   3 10n  C)   42He  D)   31H  E)   none of these " class="answers-bank-image d-inline" rel="preload" > 10n  B)   3 10n  C)   42He  D)   31H  E)   none of these " class="answers-bank-image d-inline" rel="preload" > + 10n  B)   3 10n  C)   42He  D)   31H  E)   none of these " class="answers-bank-image d-inline" rel="preload" > + ____ To balance this nuclear equation the blank is:

Accepted Answer

A)   "10n"
B)   "3 10n"
C)   "42He"
D)   "31H"
E)   "none of these"F) B) and D)
G) C) and D)

Question 6

The reaction below can be best described as what type of nuclear reaction?
23592U + 10n→13956Ba + 9436Kr + 3 10n

Accepted Answer

A)   Alpha decay
B)   Beta decay
C)   Nuclear fission
D)   Nuclear fusion
E)   Radioactive decayF) A) and B)
G) C) and D)

Question 7

Provided in the table below are two isotopes and their corresponding half-life periods. Which isotope decays the fastest and which isotope is the most stable ?
Isotope Half-life period Carbon - 14 5730 Years Lead - 210 22 Years

Accepted Answer

A)   Carbon - 14 decays the fastest and is the most stable.
B)   Carbon - 14 decays the fastest and Lead - 210 is the most stable.
C)   Lead - 210 decays the fastest and is the most stable.
D)   Lead - 210 decays the fastest and Carbon - 14 is the most stable.
E)   They both decay at the same rate and Carbon - 14 is the most stable.F) A) and E)
G) B) and C)

Question 8

Consider comparing the two radionuclides given below and their corresponding half-life periods. Which statement below is true?
Isotope Half-life period Carbon - 14 5730 years Iodine - 131 8 days

Accepted Answer

A)   Carbon - 14 decays faster and is the most stable nuclide.
B)   Carbon - 14 decays faster and is the least stable nuclide.
C)   Iodine - 131 decays faster and is the most stable nuclide.
D)   Iodine - 131 decays faster and is the least stable nuclide.
E)   They both decay at the same rate but Carbon - 14 is more stable.F) A) and B)
G) B) and D)

Question 9

What must be placed in the blank to produce a balanced nuclear equation?
 +  ____ +

Accepted Answer

A)   
B)   
C)   
D)   
E)   none of theseF) A) and E)
G) D) and E)

Exam 21: Nuclear Chemistry

Provided in the table below are two isotopes and their corresponding half-life periods. Which isotope decays the fastest and which isotope is the most stable ? Isotope Half-life period Carbon - 14 5730 Years Lead - 210 22 Years

Correct Answer
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One of the fission reactions that occurs in uranium reactors is: + + + ____ To balance this nuclear equation the blank is:

Correct Answer
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Provided in the table below are two radionuclides and their corresponding half-life periods. Which radionuclide decays the fastest and which isotope is the least stable ? Isotope Half-life period Lead - 210 22 Years Platinum - 190 6.9×10¹¹ Years

Correct Answer
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Curium - 248, ²⁴⁸Cm, was bombarded, yielding Antimony - 116, ¹¹⁶Sb, and Cesium - 160, ¹⁶⁰Cs. What was the bombarding nucleus?

Correct Answer
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Provided in the table below are two isotopes and their corresponding half-life periods. Which isotope decays the fastest and which isotope is the most stable ? Isotope Half-life period Vanadium - 50 6.0×10¹⁵ Years Uranium - 235 7.1×10⁸ Years

Correct Answer
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Which two natural radioactive decay processes will produce the same product nuclide?

Correct Answer
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What must be placed in the blank to produce a balanced nuclear equation? + ____ +

Correct Answer
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Consider comparing the two radionuclides given below and their corresponding half-life periods. Which statement below is true? Isotope Half-life period Carbon - 14 5730 years Iodine - 131 8 days

Correct Answer
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The reaction below can be best described as what type of nuclear reaction? ²³⁵₉₂U + ¹₀n→¹³⁹₅₆Ba + ⁹⁴₃₆Kr + 3 ¹₀n

Correct Answer
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Exam 21: Nuclear Chemistry

Provided in the table below are two isotopes and their corresponding half-life periods. Which isotope decays the fastest and which isotope is the most stable ? Isotope Half-life period Carbon - 14 5730 Years Lead - 210 22 Years

Correct AnswerverifiedShow Answer

One of the fission reactions that occurs in uranium reactors is: + + + ____ To balance this nuclear equation the blank is:

Correct AnswerverifiedShow Answer

Provided in the table below are two radionuclides and their corresponding half-life periods. Which radionuclide decays the fastest and which isotope is the least stable ? Isotope Half-life period Lead - 210 22 Years Platinum - 190 6.9×1011 Years

Correct AnswerverifiedShow Answer

Curium - 248, 248Cm, was bombarded, yielding Antimony - 116, 116Sb, and Cesium - 160, 160Cs. What was the bombarding nucleus?

Correct AnswerverifiedShow Answer

Provided in the table below are two isotopes and their corresponding half-life periods. Which isotope decays the fastest and which isotope is the most stable ? Isotope Half-life period Vanadium - 50 6.0×1015 Years Uranium - 235 7.1×108 Years

Correct AnswerverifiedShow Answer

Which two natural radioactive decay processes will produce the same product nuclide?

Correct AnswerverifiedShow Answer

What must be placed in the blank to produce a balanced nuclear equation? + ____ +

Correct AnswerverifiedShow Answer

Consider comparing the two radionuclides given below and their corresponding half-life periods. Which statement below is true? Isotope Half-life period Carbon - 14 5730 years Iodine - 131 8 days

Correct AnswerverifiedShow Answer

The reaction below can be best described as what type of nuclear reaction? 23592U + 10n→13956Ba + 9436Kr + 3 10n

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Provided in the table below are two radionuclides and their corresponding half-life periods. Which radionuclide decays the fastest and which isotope is the least stable ? Isotope Half-life period Lead - 210 22 Years Platinum - 190 6.9×10¹¹ Years

Correct Answer
verified

Curium - 248, ²⁴⁸Cm, was bombarded, yielding Antimony - 116, ¹¹⁶Sb, and Cesium - 160, ¹⁶⁰Cs. What was the bombarding nucleus?

Correct Answer
verified

Provided in the table below are two isotopes and their corresponding half-life periods. Which isotope decays the fastest and which isotope is the most stable ? Isotope Half-life period Vanadium - 50 6.0×10¹⁵ Years Uranium - 235 7.1×10⁸ Years

Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
verified

The reaction below can be best described as what type of nuclear reaction? ²³⁵₉₂U + ¹₀n→¹³⁹₅₆Ba + ⁹⁴₃₆Kr + 3 ¹₀n

Correct Answer
verified