About: http://webisa.webdatacommons.org/381305361

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	25% called it the study of chemicals, using terms such as elements, compounds, and ions.
http://www.w3.org/ns/prov#wasQuotedFrom	astc.org