Definition: Boron is the name for the element with atomic number 5 and is represented by the symbol B.
It is a member of the semimetal group.
It is a member of the semimetal group.
By Anne Marie Helmenstine, Ph.D., About.com Guide
This is a photo of pure crystalline boron. Boron is a lustrous, black semimetal. Boron is not found free in nature, though it is found in many common compounds.
Jurii, Creative Commons License