Be
Beryllium (Atomic Number 4)
Category: alkaline | Period 2, Group 2 | Block: s
Lightweight, strong, brittle metal with high thermal conductivity.
Atomic & Physical Constants
- Standard Atomic Weight:
- 9.01218315 u
- Standard State Phase:
- Solid
- Electron Configuration:
- 2, 2
- Electronegativity (Pauling):
- 1.57
- Melting Point:
- 1560 K
- Boiling Point:
- 2742 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Aerospace structural alloys, X-ray windows, space telescope mirrors
Discovery History
Discovered by Louis Nicolas Vauquelin (1798).
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