Assertion: technetium's life | /r/HasProperty | short half-
Facets:
Source sentences:
text: Technetium has a short half-life, so any natural technetium the Earth possessed has long since disappeared.
text: What sets technetium apart is its short half-life relative to the long half-life of its parent element,” explained Cathy Cutler, director of the Medical Isotope Research and Production program at the Lab.