Question

A nuclear reaction where the nucleus of an atom splits into smaller parts is known as nuclear fission or nuclear fusion?

Answer 1

It is nuclear fission. It is the process in which an unstable atom splits into smaller stable components releasing a great amount of enery in the process....

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Answer 2

A nuclear reaction where the nucleus of an atom splits into smaller parts is known as nuclear fission
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in fusion all the small particles come together to form a large atom
fission is splitting up of nucleus into smaller parts