Assertion: cesium's isotope | /r/HasProperty | stable
Facets:
Source sentences:
text: Only one isotope, 133Cs, is stable.
text: Radioactive Isotopes 39 Stable Isotopes 1 X-Ray Energies Kα 30.97
text: Only one isotope, 133Cs, is stable.
text: Naturally occurring cesium consists of its one stable isotope, 133Cs.