Sem título

1. fusion

   • joining of two atomic nuclei

2. fission

   • splitting of an atomic nucleus

3. atoms and radiation

   • decay
     • alpha
     • beta
     • gamma
   • atoms
     • atoms are made of protons, neutrons and electrons
       • isotope
         • different number or neutrons
       • ion
         • atom with a charge
       • atomic number
         • number number of protons
       • mass number
         • total number of protons and neutrons
   • Background radiation

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