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Eleventh Grade (Grade 11) Nuclear Chemistry Questions

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Grade 11 Nuclear Chemistry
Grade 11 Nuclear Chemistry

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Grade 11 Nuclear Chemistry
What happens during nuclear fusion?
  1. Nuclei of a relatively low atomic number combine to form a heavier nucleus.
  2. Nuclei of a relatively high atomic number split apart.
  3. Nuclei are burned up.
Grade 11 Nuclear Chemistry
When a nuclide is considered unstable, what generally occurs as a result?
  1. The nuclide undergoes spontaneous decay.
  2. The nuclide undergoes nonspontaneous decay.
  3. The nuclide undergoes combustion.
  4. The nuclide undergoes decomposition.
Grade 11 Nuclear Chemistry
Which of the following equations with a natural logarithm correctly represents rate of decay?
  1. [math]ln(N/N_o)=kt[/math]
  2. [math]ln(N/N_o)=k/t[/math]
  3. [math]ln(N/N_o)=-k/t[/math]
  4. [math]ln(N/N_o)=-kt[/math]
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