<http://webisa.webdatacommons.org/prov/131693185>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/19804149> .
<http://webisa.webdatacommons.org/19804149>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/19804149>	<http://www.w3.org/ns/prov#value>	"(where M is an alkaline earth metal, a transition metal, or a rare-earth" .
<http://webisa.webdatacommons.org/19804149>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .