Assertion: thorium's life | /r/HasProperty | 1.4 x 1010 years
Facets:
Source sentences:
text: This isotope has the longest half-life (1.4 x 1010 years) of all isotopes with more than 83 protons.
text: This isotope has the longest half-life (1.4 x 1010 years) of all isotopes with more than 83 protons.
text: This isotope has the longest half-life (1.4 x 1010 years) of all isotopes with more than 83 protons.