74W183.84
Tungsten (W)
Element 74 · Transition metal
Tungsten (W) is a chemical element with atomic number 74. It is classified as a transition metal in period 6, group 6 of the periodic table (the d-block). Its standard atomic weight is 183.84 u and its ground-state electron configuration is [Xe] 4f¹⁴ 5d⁴ 6s².
Tungsten facts
| Atomic number (Z) | 74 |
|---|---|
| Symbol | W |
| Standard atomic weight | 183.84 u |
| Category | Transition metal |
| Group | 6 |
| Period | 6 |
| Block | d-block |
| Electron configuration | [Xe] 4f¹⁴ 5d⁴ 6s² |
| Electronegativity (Pauling) | 2.36 |
| State at 20 °C | Solid |
| Protons / electrons | 74 / 74 |
| Neutrons (most common isotope, approx.) | 110 |
| Molar mass | 183.84 g/mol |