Assertion: beryllium's number | /r/HasProperty | atomic
Facets:
Source sentences:
text: Beryllium is a chemical element with the symbol Be and atomic number 4.
text: Atomic Number: 4 Atomic Symbol: Be Atomic Weight: 9.01218 Electron Configuration: [He]2s2
text: Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z.
text: Beryllium has an atomic number 4 and is the first element of the 2nd group of the periodic table.
text: Beryllium is the chemical element with the symbol Be and atomic number 4.
text: Beryllium is a chemical compound with the symbol Be and the atomic number 4.
text: Beryllium is the chemical element with the symbol Be and atomic number 4.
text: Beryllium, or Be, is atomic number 4 on the periodic table of elements.
text: Beryllium is a chemical compound with the symbol Be and the atomic number 4.
text: The element beryllium, atomic number 4, is a grey metal that is stronger than steel and lighter than aluminum.