About: http://webisa.webdatacommons.org/19485585

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	Sodium is a chemical element which has the symbol Na (Latin: natrium), atomic number 11, atomic mass 22.9898 g/mol, oxidation number +1.
http://www.w3.org/ns/prov#wasQuotedFrom	freesciencelectures.com