Assertion: iridium | /r/HasAspect | stable isotopes
Facets:
value: respectively
type: DEGREE
Source sentences:
text: Iridium has two naturally occurring, stable isotopes, 191Ir and 193Ir, with natural abundances of 37.3% and 62.7%, respectively.
text: Iridium has two stable isotopes, both of which are found naturally.