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Beryllium

Atomic number 4 ยท alkaline earth ยท Period 2, Group 2

โš›๏ธ
4Atomic Number
โš–๏ธ
9.012Atomic Mass (u)
๐Ÿท๏ธ
alkaline earthCategory
๐Ÿ”ฌ
VauquelinDiscovered by

01 About Beryllium

One of the lightest structural metals. Used in space telescopes (James Webb) and X-ray equipment because it's nearly transparent to X-rays.

02 Physical Properties

State at room temperature๐Ÿชจ Solid
Melting point1287 ยฐC
Boiling point2469 ยฐC
Density1.85 g/cmยณ
Atomic mass9.012 u
Electron configuration2,2
Period / GroupPeriod 2, Group 2
BlockS-block

03 Discovery

Beryllium was discovered in 1797 by Vauquelin.