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Nuclear Emissions (Grade 10)

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Nuclear Emissions

Instructions: The following questions require the use of a reference table that shows the masses and charges of different radioactive particles.

1. 
Which nuclear emission only involves the release of energy?
  1. alpha
  2. beta
  3. positron
  4. gamma
 
2. 
Which nuclear emission involves the release of electrons, only?
  1. alpha
  2. gamma
  3. beta
  4. positron
3. 
Which nuclear emission involves the release of helium nuclei?
  1. alpha
  2. gamma
  3. positron
  4. beta
 
4. 
Which of the following nuclear emissions has the greatest penetrating power?
  1. alpha
  2. gamma
  3. beta
  4. positron
5. 
Which of the following nuclear emissions involves the release of a particle with no mass and a charge of +1?
  1. proton
  2. beta
  3. positron
  4. alpha
 
6. 
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
7. 
Which of the following nuclear emissions moved away from the cathode, towards the anode, in the experiment that helped Thomson to discover the electron?
  1. alpha particles
  2. beta particles
  3. gamma particles
  4. positrons
 
8. 
Which of the following nuclides emits a particle with a mass of 4?
  1. Fr-220
  2. I-131
  3. K-37
  4. K-42
9. 
Find the mass and charge of the particle emitted by Au-198, if it produces Hg-198 as a result of this decay.



 
10. 
Hydrogen-2, which has 1 proton and 1 neutron, is considered to be stable.
  1. True
  2. False
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