Verified Answer :

chipperrider

4) fission is a nuclear reaction where the nucleus of a reactant breaks apart

Answer:The correct answer is option (4).

Explanation:

Nuclear reaction :These the chemical reaction in which change in identity of a nucleus of an atom takes place.It is of two types:

  1. Fusion is a process which involves the conversion of two small nuclei to form a heavy nuclei along with release of energy.
  2. Fission is a process which involves the conversion of a heavier nuclei into two or more small and stable nuclei along with the release of energy.

From the given options the option identifying the nuclear reaction is fission.Hence. the correct answer is option 4.

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