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binding energy
subjectfact 
binding energyhas definition The energy required to break up a system. In particular, the binding energy of an atomic nucleus is the energy released in the formation of the nucleus. The most strongly bound nuclei are those with atomic weights between about 50 and 65 (the iron group). Lighter nuclei are less strongly bound because of their larger surface-to-volume ratios; heavier nuclei, because the effects of Coulomb repulsion increase with the nuclear charge.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:33:13.0
is a kind of energy2001-09-27 09:33:13.0
energyhas unit energy unit2001-09-27 09:33:13.0
numberhas value2001-09-27 09:32:57.0