The chemical element represented by the symbol B is Boron. Boron is a metalloid found in group 13 of the periodic table and has various applications, including in glass and ceramics. It plays an essential role in plant growth and is also important in certain chemical reactions. With an atomic number of 5, Boron is not found in its elemental form in nature but occurs in various compounds, such as borax and boric acid. Its unique properties make it a fascinating subject for study in both chemistry and materials science.