About: http://webisa.webdatacommons.org/184452446

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	p is an integer from 0 to 3, preferably p is 2, being equal to the formal oxidation state of the metal M minus 2;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com