Assertion: americium | /r/HasProperty | radioactive
Facets:
value: highly
type: DEGREE
Source sentences:
text: However, since americium is radioactive, you can also be exposed to its radiation if you are near it.
text: Americium is a highly radioactive element.
text: Americium is a radioactive rare earth metal which must be handled with care to avoid contact, since it is a heavy α and γ emitter.