Assertion: fermium's isotope | /r/HasProperty | radioactive
Facets:
value: like all synthetic transuranic elements
type: OTHER
value: very
type: DEGREE
Source sentences:
text: All isotopes of fermium are radioactive.
text: Like all synthetic transuranic elements, isotopes of einsteinium are very radioactive and are considered highly dangerous to health on ingestion.
text: All known isotopes of curium are radioactive and have a small critical mass for a sustained nuclear chain reaction.
text: All known isotopes of both elements are radioactive.
text: All isotopes of einsteinium are radioactive.