Assertion: seaborgium's isotope | /r/HasProperty | occurring
Facets:
value: naturally
type: MANNER
Source sentences:
text: Seaborgium has no stable or naturally occurring isotopes.
text: Seaborgium has no stable or naturally occurring isotopes.
text: Seaborgium has no stable or naturally occurring isotopes.
text: Seaborgium has no stable or naturally occurring isotopes.