Boron has six neutrons, five protons and five electrons. Boron is solid at room temperature and is classified as a metalloid, or semimetal, belonging to group 13. The chemical symbol for boron is B.
Boron was discovered in 1808 by chemists Gay-Lussac and Thenard in France and independently by English chemist Davy. Both groups used the same method of isolating boron through a combination of boric acid and potassium. Although boron is not found in elemental form in nature, minerals and compounds that contain boron include borates, kernite, boron carbide and boron trioxide. Two boron isotopes, namely boron-10 and boron-11, have uses in the nuclear industry. Boron and its compounds are commonly used in fireworks, fire retardants and insecticides.