Assertion: rutherfordium | /r/HasAspect | atomic number of 104
Facets:
Source sentences:
text: Rutherfordium has an atomic number of 104, and is identified with the symbol Rf on the periodic table of elements.
text: On the periodic table of elements, rutherfordium is identified with the symbol Rf, and it has an atomic number of 104, placing it beyond the actinide elements.
text: It has an atomic number of 104 because it has 104 protons in its nucleus.