Radioactive Decay Processes

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  • Created by: Abbie
  • Created on: 27-01-12 16:26

Radioactive Decay Processes

When nuclei decay by alpha or beta emission, they change from one element to another.


  • They're helium nuclei - made up of 2 protons and 2 neutrons
  • Relatively big, heavy and slow moving
  • They don't penetrate very far into materials and are stopped easily
  • They are strongly ionising, meaning they 'bash' into lots of atoms and 'knock' electrons off


  • They're electrons - virtually no mass and a charge of -1
  • They're…


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