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74
W
183.84
Tungsten
Transition metals · Group 6 · Period 6
Atomic properties
| Atomic number | 74 |
|---|---|
| Symbol | W |
| Standard atomic weight | 183.84 |
| Classification | Transition metals |
| Group | 6 |
| Period | 6 |
| Block | d-block |
| Electron configuration | [Xe] 4f14 5d4 6s2 |
| Electronegativity (Pauling) | 2.36 |
| Common oxidation states | +6, +4 |
Physical properties
| Phase at 20 °C | Solid |
|---|---|
| Density | 19.25 g/cm³ |
| Melting point | 3422 °C |
| Boiling point | 5555 °C |
| Discovered | 1783 |
| CAS number | — |