In a nuclear fission reaction, a heavy nucleus splits into smaller nuclei and releases energy because

Answer and explanation

Correct answer: A. the total mass of the products is slightly less than the mass of the original nucleus

  1. Step 1: The mass difference is converted to energy according to E = mc^2. Answer: the total mass of the products is slightly less than the mass of the original nucleus. Why not the others: the total mass increases: Mass is lost, not gained. neutrons are destroyed: Neutrons are released and are not the energy source. electrons are created: That is not the reason.

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