About: http://webisa.webdatacommons.org/394333910

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	In the above definitions the expression halogen includes fluorine, chlorine, bromine or fluorine, especially fluorine, chlorine and bromine.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com