The chemical element with the symbol 'B' is boron. It is a metalloid found in group 13 of the periodic table. Boron is not found in its free form in nature, but rather occurs in various compounds, such as borax and kernite. It is important in various industrial applications, including glass making, ceramics, and agriculture, as it plays a crucial role in plant growth. Additionally, boron has potential uses in semiconductor technology and nuclear reactors. Due to its unique properties, it is a subject of ongoing research in fields such as chemistry and materials science.