Assertion: boron | /r/HasAspect | atomic number
Facets:
Source sentences:
text: Boron, #"B"# , is located in period 2, group 13 of the periodic table, and has an atomic number equal to #5# .
text: Boron is a chemical element having the symbol B and atomic number 5.
text: Boron is a chemical element having the symbol B and atomic number 5 while Borax is an inorganic compound having the chemical formula Na 2 B 4 O 7 ·
text: Boron has the atomic number 5, and is identified by the symbol B on the periodic table.
text: It has the atomic number 5.
text: It has the atomic number 5.