radioactivity
- Created by: Charlie barker
- Created on: 31-05-13 11:44
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- radioactivity
- alpha particles
- helium nucleus
- highest strongly ionising
- beta particles
- electron is emitted from the nucleus
- medium strongly ionising
- gamma rays
- electro magnetic radiation
- least strongly ionising
- un stable nucleus
- completly random process
- half life
- the time it takes for half of an radioactive element to decay
- alpha particles
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