Radiation

The blank boxes are for the symbols, eg the symbol of a helium ion and the symbol for alpha radiation

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  • Radiation
    • Beta
      •  
      • Fast moving electron
        • Relative mass: 1/1800
        • Relative charge: -1
      • Weak ionising effect
      • Deflected in magnetic and electric fields by a greater amount and in a opposite direction to alpha particles
      • more penetrating than alpha
        • Absorbed by a few mm of aluminium
      •  
        • Fast moving electron
          • Relative mass: 1/1800
          • Relative charge: -1
    • Alpha
      • Deflected by electric and magnetic fields
      • Not very strong penetrating effect
        • Absorbed by a few cm of air or a few sheets of paper
      • Strong  Ionising effect
      •  
      •  
        • Helium nucleus
          • Relative charge: +2
          • Relative mass: 4
          • Alpha
            • Deflected by electric and magnetic fields
            • Not very strong penetrating effect
              • Absorbed by a few cm of air or a few sheets of paper
            • Strong  Ionising effect
            •  
            •  
              • Helium nucleus
                • Relative charge: +2
                • Relative mass: 4
    • Gamma
      •  
        • electromagnetic wave
          • No mass
          • no charge
      • electromagnetic wave
        • No mass
        • no charge
      • Very weak ionsing efect
      •  
      • not deflected in magnetic or electric fields
      • Very penetrating
        • Not completely absorbed by lead and thick  concrete
  • Deflected in magnetic and electric fields by a greater amount and in a opposite direction to alpha particles

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