<http://webisa.webdatacommons.org/prov/481320376>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/124218070> .
<http://webisa.webdatacommons.org/124218070>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/124218070>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/124218070>	<http://www.w3.org/ns/prov#value>	"Halogens which may be mentioned are fluorine, chlorine, bromine and iodine, especially chlorine." .
<http://webisa.webdatacommons.org/prov/57970042>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/124218070> .