Assertion: proton's energy | /r/HasProperty | computed using e = δm c2
Facets:
value: for each nucleus
type: OTHER
Source sentences:
text: The energy can be computed using E = Δm c2 for each nucleus, where Δm is the difference between the mass of the helium nucleus and the mass of four protons (plus two electrons, absorbed to create the neutrons of helium).