Boron (B) is a chemical element with atomic number (Z) 5, group 13 (boron group), period 2, and atomic weight 10.81. The Boron (B) is a non metallic element that is a dark powder, unreactive to oxygen, water, acids and alkalis, used for insulating fiberglass and sodium perborate bleach. (Refer to the Chemical Element; Periodic Table)
