Boron is a metal in group IIIA of the periodic table with atomic number 5, an atomic weight of 10.81, and a density of 2.34 Mg/m 3. Its melting point is 2300 C.

Boron (B), carbon (C), nitrogen (N), and oxygen (O) are elements with atomic numbers 5 ... s reactivity and how its unique ...

This is a stringent test of QED for the simplest atomic ... for boron-like systems at intermediate nuclear masses, it demonstrates the potential of a competitive determination of the fine ...