About: http://webisa.webdatacommons.org/378418379

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	And lead is a common element, being the endpoint of the alpha-decay chain of heavy elements like uranium and thorium.
http://www.w3.org/ns/prov#wasQuotedFrom	ucsd.edu