About: http://webisa.webdatacommons.org/31487646

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	represents all of the atom except the valence electrons; the symbol is written surrounded
http://www.w3.org/ns/prov#wasQuotedFrom	3rd1000.com