Page 209 - Radiation Safety

Ionisation

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• Removal of e from atom (normally outer e )

• Atom → positive ion & free e -

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• # of +ve charge of ion = # e removed

• ionising radiation - radiation that cause ionisation when passing through

matter ( , , , n, p, ....)

• Atom → -ve ion if it captures one e -

ionising radiation
electron

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