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■ General Properties for Tungsten ○ Symbol : W ○ Atomic Number : 74 ○ Atomic Weight : 183.84 ○ Crystal structure : BCC ○ Lattice constant at room temperature : 0.316 nm ○ Density : 19.25 g/cm3 ○ Melting Point : 3422 °C ○ Boiling Point : 5555 °C
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