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BERYLLIUM (4Be9.012182)

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Element Description

Beryllium, steel-gray in color, is the lightest structural metal and has one of the highest melting points of the light metals. At ordinary temperatures, beryllium resists oxidation in air. The element is resistant to concentrated nitric acid, is nonmagnetic, and offers excellent thermal conductivity. The beryllium fabrication process is usually by powder metallurgy, due to the metal's poor ductility.

Property Name Property Value Property Name Property Value
Atomic Code (4Be9.012182) Heat of Vaporization 73.9k/cal/g-atom
CAS # 7440-41-7 Atomic Volume 5.0W/D
First Ionization Energy 215K-cal/g-mole
Melting Point 1287°C Electronegativity 1.5Pauling's
Boiling Point 2471°C Covalent Radius 0.90Angstroms
Density 1.848g/cm3 Linear Coefficient of Expansion @25°C 11.5x10-6K-1
Themal Conductivity 0.35cal/cm2/cm/s/°C Electrical Resistivity @ 20°C 33µΩ-cm
Specific Heat 0.45cal/g°C Crystal Structure Hexagonal
Heat of Fusion 250-275cal/g


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