What does a nuclear change involve? melting or freezing mixing different compounds together interactions with electrons a change in the structure of the nucleus?

A change in the structure of the nucleus

Explanation:

A nuclear change is a change that occurs in the nucleus of an atom and this changes includes :

a nuclear change is different from a chemical in the sense that in a chemical new elements are formed and the core of the atoms which is the nucleus of the atoms that make up the element are not affected. while a nuclear change affects the nucleus of the atoms directly.  example of a chemical change is the mixing of different compounds together .

answer; i believe the correct answer is (favorable balance);

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