P4 - Atomic Structure

P4 - Atomic Structure

1. Structure of the Atom

   • Neutron
     • Charge: 1
     • Mass: 0
   • Electons
     • Mass: Close to 0
     • Charge: -1
   • Protons
     • Charge: 1
     • Mass: +1
   • What particlas are found in the atom?
     • Protons and Neutrons

2. Radioactivity

   • Types
     • Alpha
     • Beta
     • Gamma
   • Background Radiation
     • Measuring radiation
   • Tracers
   • Half-life
     • the time taken for the radioactivity of a specified isotope to fall to half its original value.