Name :  Beryllium
Symbol :  Be
Atomic Number :  4
Atomic Weight :  9.012182
Specific Heat :  1.82 J/gK
Melting Point :  1287°C
Vaporization :  292.40 kJ/mol
Boiling Point :  2472°C
Electronegativity :  1.57
Density@293 K :  1.848 g/cm³
Discovered :  Fredrich Wöhler, A.A.Bussy, Germany/France, 1798
Description :  Hard, brittle, steel-gray metal. Lightest rigid metal. Formerly called glucinium (Gl) for its sweet but deadly taste.
Uses :  Its ability to absorb large amounts of heat makes it useful in spacecraft, missiles, aircraft, etc. Emeralds are beryl crystals with chromium traces giving them their green color.