About: http://webisa.webdatacommons.org/352895417

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	(a) describe the differences between elements, compounds and mixtures, and between metals and non-metals (b) describe alloys, such as brass, as a mixture of a metal with other elements
http://www.w3.org/ns/prov#wasQuotedFrom	docbrown.info