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Slav-nsk [51]
3 years ago
9

Write a balanced equation showing how this nucleus decays to form an α particle: thorium−230.

Chemistry
1 answer:
Ostrovityanka [42]3 years ago
6 0
When   an  atomic  nucleus  emits  an  alpha  particle  it  decay  into  an atom   with atomic  number  2  less   and   mass number  4  less.  Thus  Thorium   230   decay    as  follows.

230 90Th  -------> 226  88Th  +  4 2 He

thorium  is  in  the  atomic  number   90  thus  it  during   alpha decay  it reduces  to  atomic  number  88  while  its  230   mass  number  reduces  to   226
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