Assertion: noble gas's atom | /r/HasProperty | flerovium
Facets:
Source sentences:
text: In December 1998, scientists at the Joint Institute for Nuclear Research working in Dubna, Russia bombarded plutonium with calcium to produce a single atom of element 114, flerovium.
text: In December 1998, scientists at the Joint Institute for Nuclear Research working in Dubna, Russia bombarded plutonium with calcium to produce a single atom of element 114, flerovium.