Periodic Table -> Boron

Boron

Boron Details

Boron Symbol: B

Boron Atomic Number: 5

Boron Atomic Weight: 10.811

What is Boron?
An element of group 13 of the periodic table. There are two allotropes, amorphous boron is a brown power, but metallic boron is black. The metallic form is hard (9.3 on Mohs' scale) and a bad conductor in room temperatures. It is never found free in nature. Boron-10 is used in nuclear reactor control rods and shields. It was discovered in 1808 by Sir Humphry Davy and by J.L. Gay-Lussac and L.J. Thenard.

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