Assertion: einsteinium's isotope | /r/HasAspect | 99 protons
Facets:
Source sentences:
text: The most stable isotope of Einsteinium has 99 protons and electrons and 153 neutrons.
text: The most stable isotope of Einsteinium has 99 protons and electrons and 153 neutrons.
text: The most stable isotope of Einsteinium has 99 protons and electrons and 153 neutrons.