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Interactive OnLine Periodic Table - Click on the Atomic Symbol to see the Atomic Weight, number, history & physical description. Includes CAS, density, crystal structure, % purity, and particle size for each product
Physical Properties of Elements for Research & Industry
AEE Website Table of Contents

BERYLLIUM

Atomic Symbol

Be

Atomic Weight

9.012182

Atomic Number

4

Electron Configuration

2-2

Oxidation States

+2

State of Matter

Solid light metal

Boiling Point

2970°C

Melting Point

1278°C

HISTORY, BACKGROUND & USES:
Discovered in 1798 by Louis-Nicholas Vauquilin. Beryllium is very rare. Its principal ore is beryl, a complex aluminosilicate. When beryl has traces of chromium impurities, it's the emerald. When beryl contains traces of iron it's aquamarine. Beryllium does not occur free in nature. Beryllium is primarily used in alloys, especially copper to form non-sparking tools.

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