Assertion: helium | /r/HasProperty | formed
Facets:
Source sentences:
text: The energy of helium-4 nuclear binding per nucleon is stronger than in any of these elements (see nucleogenesis and binding energy), and thus no energetic "drive" was available to make elements 3, 4, and 5 once helium had been formed.
text: Helium-4 nuclear binding per nucleon is stronger than in any of these elements (see nucleogenesis and binding energy) and thus, once helium had been formed, no energetic drive was available to make elements 3, 4 and 5.