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W
in WebElements
in X-Ray info
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W, 74
tungsten (English)
tungstène, m. (French)
Wolfram, n. (German)
vol'fram (Russian)
tungsteno??? (Spanish)
volfram (Swedish)
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| Symbol, number | W, 74 (metal), Group: 6; 6B |
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| Weight | 183.85 |
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| In Nature | |
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| Discovered | 1783, by Don Juan José de Elhuyar and Don Fausto de Elhuyar (Spain) |
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| Density [kg/m3] | 19300 [293 K] (solid) 17700 [3680 K] (liquid) |
| Molar volume | 9.53 cm3 |
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| Melting Temperature | 3680 K (3407 °C) Enthalpy: 799.1 kJ/mol |
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| Boiling Temperature | 5930 K (5657 °C) Enthalpy: 35.2 kJ/mol |
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| Electrical resistance | 5.65E-8 [300 K] Wm |
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| Thermal | Conductivity: 174 [300 K] W/Km Expansion: 4.59E-6 /K |
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| Ionisation [kJ/mol] |
| M--> |
M+--> |
M2+--> |
M3+--> |
M4+--> |
M5+--> |
M6+--> |
M7+--> |
M8+--> |
M9+-->M10+ |
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| Thermodynamics |
| State |
DfH° |
DfG° |
S° |
CpH |
H°298.15-H°0 |
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[J/Kmol] |
[kJ/mol] |
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| Isotopes |
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Mass |
In nature |
Half-life |
Spin |
m/mN |
NMM |
Decay |
| W |
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