About: http://webisa.webdatacommons.org/18563756

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	Metals such as gold or copper are characterized by free electron bonding, and therefore are very good conductors and are optically opaque and shiny/reflective.
http://www.w3.org/ns/prov#wasQuotedFrom	upenn.edu