Assertion: lr's isotope | /r/HasProperty | radioactive
Facets:
value: extremely
type: DEGREE
Source sentences:
text: All isotopes of lawrencium are radioactive; its most stable known isotope is lawrencium-262, with a half-life of approximately 3.6 hours.
text: All of the elements have some isotopes that are radioactive (radioisotopes), although not all of these radioisotopes occur naturally.
text: All known isotopes of bohrium are extremely radioactive; the most stable known isotope is 270Bh with a half-life of approximately 61 seconds, though the unconfirmed 278Bh may have a longer half-life of about 690 seconds.