Assertion: hafnium's isotope | /r/HasProperty | stable
Facets:
Source sentences:
text: Natural hafnium consists of six stable isotopes with mass numbers 174 and 176-80.
text: Radioactive Isotopes 31 Stable Isotopes 5 X-Ray Energies
text: Natural hafnium ( 72 Hf) consists of five stable isotopes (176Hf, 177Hf, 178Hf, 179Hf, and 180Hf) and one very long-lived radioisotope, 174Hf, with a half-life of 2×1015 years.
text: Natural hafnium ( 72 Hf) consists of five stable isotopes (176Hf, 177Hf, 178Hf, 179Hf, and 180Hf) and one very long-lived radioisotope, 174Hf, with a half-life of 2×1015 years.