exoenergetic reaction

A nuclear reaction involves changes within an atomic nucleus, often induced by bombarding it with energetic particles. When the total mass of the particles produced is less than the mass of the initial reactants, energy is released. This type of reaction is called exoenergetic.12

Nuclear fusion is a type of nuclear reaction where light atomic nuclei combine at extremely high temperatures to form a heavier nucleus, releasing significant energy. This process is the primary energy source for stars like our Sun. The fusion of elements lighter than iron generally releases energy because the resulting nucleus is more stable. For example, the deuterium-tritium fusion reaction releases a positive amount of energy, making it an exoergic reaction.324