Assertion: rutherfordium | /r/HasProperty | 104th element
Facets:
value: in the periodic table
type: LOCATION
Source sentences:
text: Rutherfordium, the 104th element on the periodic table, was first synthesized artificially in the 1960s and was the subject of international controversy for decades.
text: Rutherfordium is the 104th element in the Periodic table.