Respuesta :

Fission is the splitting of a heavy, unstable nucleus into two lighter nuclei.

hope this helps!

Explanation :

The reaction in which heavier nuclei break to form two smaller nuclei is called nuclear fission reactions.

Some of the applications of fission reactions are :

  1. It is used in the production of electricity in a nuclear power plant.
  2. It is used to make a nuclear bomb
  3. It is used to produce radioisotopes for medical purposes.It is also used to manufacture neutrons.
  4. Neutrons are used in industrial purposes.    

Hence, this is the required explanation.