Birimba, №321, B.P40 Rumonge Burundi
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Burundi
Symbol | Be |
Atomic Number | 4 |
Atomic Weight | 9.0122 g/mol |
Density | 1.848 g/cm³ |
Melting Point | 1,278 °C (2,352 °F) |
Boiling Point | 2,470 °C (4,478 °F) |
Crystal Structure | Hexagonal (close-packed) |
Color | Steel gray |
Hardness | 5.5 (Mohs scale) |
Electrical Conductivity | 29.8 x 10⁶ S/m (at 20°C) |
Thermal Conductivity | 200 W/m·K |
Young's Modulus | 287 GPa |
Thermal Expansion | 11.5 µm/m·K |
Specific Heat | 1.825 J/g·K |
Refractive Index | 1.56 |
Appearance | Shiny, brittle metal |