Assertion: uranium's nucleus | /r/CapableOf | comprise 143 neutrons
Facets:
Source sentences:
text: The nucleus of the U-235 atom comprises 92 protons and 143 neutrons (92 + 143 = 235).
text: The nucleus of the U-235 isotope comprises 92 protons and 143 neutrons (92 + 143 = 235).