Assertion: tritium | /r/HasProperty | unstable isotope
Facets:
Source sentences:
text: Tritium is an unstable isotope with a half-life of 12.32 years.
text: Tritium is unstable with a half-life of 12.33 years.
text: Being an unstable isotope with a half-life of about 12.36 years, tritium loses half its brightness in that period.
text: Tritium is an unstable isotope, meaning that its molecular structure is subject to decay.
text: Being an unstable isotope with a half-life of about 12.36 years, tritium loses half its brightness in that period.