About: http://webisa.webdatacommons.org/193203772

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	Thus, for trivalent metals such as aluminum, X is 3 and the ratio is 1:1, meaning that there should be not more than 1 monovalent anion, other than hydroxyl, for eachaluminum atom.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com