Assertion: thorium's isotope | /r/Synonym | fissile
Facets:
Source sentences:
text: Thorium is called this way fertile, while the emerging isotope of uranium (U-233) is called fissile because it can be used as nuclear fuel in the nuclear fission reaction to generate low-carbon energy.
text: The two main isotopes of natural uranium are fissile uranium-235 (approximately 0.7% of all natural uranium) and fertile uranium-238 (approximately 99.3%)