Assertion: rutherfordium | /r/HasAspect | stable isotopes
Facets:
Source sentences:
text: Rutherfordium ( 104 Rf) is a synthetic element and thus has no stable isotopes.
text: Rutherfordium has no stable isotopes, the isotopes are also not naturally occurring.
text: Rutherfordium ( 104 Rf) is a synthetic element and thus has no stable isotopes.
text: Rutherfordium ( 104 Rf) is a synthetic element and thus has no stable isotopes.