P4 - Atomic Structure

P4 - Atomic Structure

1. atomic structure

   • nucleus
     • proton
       • mass
         • 1
       • charge
         • +1
     • neutron
       • mass
         • 1
       • mass
         • 1
   • electron
     • mass
     • charge
       • close to 0

2. radiation

   • radiation particles
     • alpha
       • ionisation strength
         • very strong
       • charge
         • 2+
       • penetration
         • only a few cm of skin
       • mass
         • helium nucleus
     • beta
     • gamma
       • charge
       • mass
       • penetration
       • ionisation strength
   • tracers

3. typs of radiation

   • beta