Beryllium (Be)
- Atomic Number: 4
- Atomic Weight: 9.01
- Melting Point: 1278
- Boiling Point: 2970
- Specific Gravity: 1.848
- Valences: 2
Beryllium oxide was discovered in 1798 by Vauquelin, but the metal form was isolated in 1828 by Wohler and Bussy.
Beryllium is light with a high melting point, which makes it a favourable metal in industry.
Beryllium copper is used in springs and electrical contacts.
Emerald and aquamarine are forms of beryl, a Beryllium compound.
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