Beryllium is a light and lustrous metal which is obtained by the electrolysis of a fused halide (e.g. BeCl2 ). It is resistant to attack by air or water, even at elevated temperatures. Beryllium is non-magnetic, a good thermal conductor. Beryllium and its compounds are highly toxic.
- Used as an alloying addition to copper or nickel, the alloys having excellent thermal, mechanical and electrical properties. Applications for pure beryllium include its use as windows in X-ray tubes and as a source of neutrons when bombarded with alpha particles, a technique used by Chadwick in 1932 in their discovery.
- Discovered by the French chemist and pharmacist Nicholas-Louis Vauquelin in beryl and emerald in 1797. The element was first separated in 1828 by the French chemist Antoine-AlexandreBrutus Bussy and independently by the German chemist Friedrich Wohler.
|Atomic / Molecular Weight||9.01218||gmol-1||Clip|
|Specific heat capacity||1820||Jkg-1K-1||Clip|
|Acoustic wave velocity (longitudinal bulk waves)||12890||ms-1||Clip|
|Acoustic wave velocity (Shear waves)||8880||ms-1||Clip|