Assertion: ununbium | /r/CreatedBy | the gesellschaft
Facets:
value: in 1996
type: TEMPORAL
Source sentences:
text: Ununbium was first created by the Gesellschaft für Schwerionenforschung (GSI) in 1996, who have now proposed the permanent name copernicium (/koʊpərˈniːsiəm/ ( listen) koe-pər-