Assertion: seaborgium's isotope | /r/HasProperty | technetium-99m
Facets:
Source sentences:
text: They isolated the metastable isotope technetium-99m, which is now used in some ten million medical diagnostic procedures annually.
text: The metastable isotope technetium-99m is continuously produced as a fission product from the fission of uranium or plutonium in nuclear reactors: