About: http://webisa.webdatacommons.org/168549244

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	NH3 is a compound of Nitrogen and Hydrogen where one atom of Nitrogen and three atoms of Hydrogen combine together to give two molecules of Ammonia.
http://www.w3.org/ns/prov#wasQuotedFrom	whycenter.com