Assertion: hs | /r/HasProperty | synthetic element
Facets:
Source sentences:
text: Hassium is a synthetic element about which little is known.
text: Hassium is a synthetic chemical element, expected to have chemical properties similar to those of osmium and a silvery white or metallic gray colour.
text: Hassium is not found free in the environment, since it is a synthetic element.
text: Hassium ( 108 Hs) is a synthetic element, and thus a standard atomic weight cannot be given.