Assertion: einsteinium | /r/HasAspect | 99 protons
Facets:
Source sentences:
text: The atomic number of einsteinium is 99 (Es has 99 protons and electrons).
text: Einsteinium has 153 neutrons, 99 protons, and 99 electrons.
text: The atomic number of einsteinium is 99 (Es has 99 protons and electrons).
text: The atomic number of einsteinium is 99 (Es has 99 protons and electrons).
text: Einsteinium has 99 protons and electrons.
text: Einsteinium has 99 protons.