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| Tungsten
is a metal in group VIB of the periodic table with atomic number 74, an
atomic weight of 183.85, and a density of 19.3 Mg/m3.
Its melting point is 3410 C, and it boils at 5930 C.
The electronic configuration of Tungsten is (Xe)(4f14)(5d4)(6s2). Its atomic radius is 0.141nm and the (+6) ionic radius is 0.064 nm. In the solid state Tungsten has a body-centered cubic crystal structure with a = 0.316 nm and a nearest neighbor distance of 0.2.73 nm. Tungsten has a Young's modulus of 407 GPa, a yield stress of 1.516 GPa, and a UTS of 1.516 GPa. The linear coefficient of thermal expansion is 4.59 m/m/K and the thermal conductivity is 1.73 W/cm/K. |
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