About: http://webisa.webdatacommons.org/35629337

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	But the periodic table, as Mendeleev repeatedly stressed is a classification primarily of the more abstract sense of element as basic substance.
http://www.w3.org/ns/prov#wasQuotedFrom	chemistry-blog.com