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Eleventh Grade (Grade 11) Nuclear Chemistry Questions

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Grade 11 Nuclear Chemistry
How many nuclides are stable out of 2000 nuclides?
  1. 350
  2. 120
  3. 279
  4. 1000
Grade 11 Nuclear Chemistry
H-3 experiences which form of decay?
  1. alpha
  2. beta
  3. positron
  4. gamma
Grade 11 Nuclear Chemistry
What is the order of the rate of decay?
  1. second order
  2. first order
  3. third order
  4. pseudo first order
Grade 11 Nuclear Chemistry
Which of the following equations correctly represents the change in the number of particles per unit of time?
  1. Rate=-∆N∆t=kN
  2. Rate=-∆N∆t=kN
  3. Rate=-∆t∆N=kN
  4. Rate=-∆t∆N=kN
Grade 11 Nuclear Chemistry
Which nuclide would you most likely consider to be stable?
  1. N-14
  2. S-32
  3. He-4
  4. H-2
Grade 11 Nuclear Chemistry
Which nuclide would you likely consider to be unstable?
  1. Si-30
  2. O-16
  3. He-4
  4. Ca-40
Grade 11 Nuclear Chemistry
Three types of natural nuclear reactions exist, radioactive decay, nuclear fission, and nuclear fusion. How is radioactive decay different from fission and fusion?
  1. Radioactive decay breaks apart large nuclei.
  2. Radioactive decay happens spontaneously.
  3. Radioactive decay combines different isotopes.
  4. Radioactive decay is not different from fission or fusion.
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