Assertion: iodine's isotope | /r/HasProperty | stable
Facets:
Source sentences:
text: Iodine has only one stable isotope.
text: Number of isotopes (atoms of the same element with a different number of neutrons): 37 known isotopes; one stable (I-127)
text: The only naturally occurring isotope of iodine is stable iodine-127.
text: Iodine has only one stable isotope, iodine—127; it is the only isotope of iodine occurring in nature, although 24 iodine isotopes are known.
text: Iodine has only one stable isotope, I-127.