What is the mass that is “lost” in fission or fusion actually converted to?

What is the mass that is "lost" in fission or fusion actually converted to?

  • Correct Answer: energy
  • hydrogen
  • momentum
  • pressure

Explanation: When the nucleus of a radioisotope undergoes fission or fusion, it loses a tiny amount of mass. What happens to the lost mass? It isn’t really lost at all. It is converted to energy. How much energy? . The change in mass is tiny, but it results in a great deal of energy.

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