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Tenth Grade (Grade 10) Nuclear Chemistry Questions

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Grade 10 Nuclear Chemistry

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Which of the following nuclear emissions has the greatest penetrating power?
  1. alpha
  2. gamma
  3. beta
  4. positron
Grade 10 Nuclear Chemistry
Which nuclear emission only involves the release of energy?
  1. alpha
  2. beta
  3. positron
  4. gamma
Grade 10 Nuclear Chemistry
Which nuclear emission involves the release of electrons, only?
  1. alpha
  2. gamma
  3. beta
  4. positron
Grade 10 Nuclear Chemistry
What type of decay involves the release of helium nuclei?
  1. Alpha
  2. Beta
  3. Gamma
  4. Luna
Grade 10 Nuclear Chemistry
Which nuclear emission involves the release of helium nuclei?
  1. alpha
  2. gamma
  3. positron
  4. beta
Grade 10 Nuclear Chemistry
How many years have passed if 25 grams of an original 100.0-gram sample of Sr-90 remains unchanged?
  1. 58.2 years
  2. 87.3 years
  3. 29.1 years
  4. 116.4 years
Grade 10 Nuclear Chemistry
Which of the following particles was repelled by the nucleus in the gold foil experiment?
  1. beta particles
  2. gamma particles
  3. positrons
  4. alpha particles
Grade 10 Nuclear Chemistry
Which of the following nuclides can be used to date the remains of a dead organism?
  1. Lead-206
  2. Uranium-235
  3. Carbon-14
  4. Iodine-131
Grade 10 Nuclear Chemistry
Beta particles have a +2 charge.
  1. True
  2. False
Grade 10 Nuclear Chemistry
Which of the following statements explain why radioisotopes of carbon can be used in dating trees?
  1. Trees take in carbohydrates.
  2. Trees consume carbon dioxide gas.
  3. Trees eat plants.
  4. Trees are radioactive.
Grade 10 Nuclear Chemistry
Which of the following best explains why U-238 tends to decay?
  1. The ratio of its protons to its neutrons is greater than 1.5 to 1.
  2. The ratio of its neutrons to its protons is less than 1 to 1.
  3. The ratio of its neutrons to its protons is greater than 1.5 to 1.
  4. None of the above
Grade 10 Nuclear Chemistry
Which radioisotope has a half-life between 5 and 6 years?
  1. C-14
  2. Ca-37
  3. I-131
  4. Co-60
Grade 10 Nuclear Chemistry
Which of the following nuclides has a half-life greater than 28 years?
  1. Cs-137
  2. K-42
  3. N-16
  4. Ne-19
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