About: http://webisa.webdatacommons.org/357312235

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Not all of the mass" of an atom comes from protons/neutrons/electrons, for example, there is a chunk that comes from potential energy ??? this chunk actually dominates over the mass of the constituents.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com