Tungsten (W)
Tungsten (W) is element 74 of the periodic table, a transition metal in period 6 and group 6. Its standard atomic weight is 183.84, so one mole of tungsten atoms has a mass of 183.84 g. At room temperature it is a solid; it melts at 3421.85 °C and boils at 5554.85 °C.
| Atomic number | 74 |
|---|---|
| Symbol | W |
| Standard atomic weight | 183.84 |
| Molar mass | 183.84 g/mol |
| Category | Transition metal |
| Group | 6 |
| Period | 6 |
| Block | d-block |
| Electron configuration | [Xe] 6s2 4f14 5d4 |
| Oxidation states | +6 |
| Electronegativity (Pauling) | 2.36 |
| Atomic radius (van der Waals) | 210 pm |
| First ionisation energy | 7.98 eV (770 kJ/mol) |
| Electron affinity | 0.815 eV |
| State at room temperature | Solid |
| Melting point | 3695 K (3421.85 °C) |
| Boiling point | 5828 K (5554.85 °C) |
| Density | 19.3 g/cm³ |
| Discovered | 1783 |
Group 6
Calculate with Tungsten
Atomic weight: IUPAC CIAAW standard atomic weight. Other properties: PubChem (U.S. National Library of Medicine, public domain). Values such as melting point and radius depend on how they were measured; check a data book for precise work.