Assertion: plutonium's isotope | /r/HasProperty | radioactive
Facets:
value: naturally
type: MANNER
Source sentences:
text: Isotopes and compounds of plutonium are radioactive and accumulate in bone marrow.
text: All isotopes of plutonium are radioactive, but they have widely varying half-lives.
text: Both isotopes of uranium are naturally radioactive; their bulky atoms disintegrating over time.
text: All isotopes and compounds of plutonium are toxic and radioactive.
text: All these isotopes are radioactive, and are produced in one way or another.
text: All known isotopes of curium are radioactive and have a small critical mass for a sustained nuclear chain reaction.