Element 74
Tungsten (W)
Tungsten (W) is element 74 of the periodic table, a transition metal in period 6, group 6 (d-block) with an atomic mass of 183.84 and is a solid at standard conditions.
At a glance
- Atomic number
- 74
- Symbol
- W
- Atomic mass
- 183.84 u
- Category
- Transition metals
- Period
- 6
- Group
- 6
- Block
- d-block
- Phase at STP
- solid
Electron structure
- Electron configuration
- 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d4 6s2
- Shorthand configuration
- [Xe] 4f14 5d4 6s2
- Electrons per shell
- 2, 8, 18, 32, 12, 2
- Oxidation states
- -4, -2, -1, +1, +2, +3, +4, +5, +6
Physical properties
- Melting point
- 3,695 K (3,421.85 °C)
- Boiling point
- 5,828 K (5,554.85 °C)
- Density
- 19.25 g/cm³
- Phase
- solid
Atomic properties
- Electronegativity (Pauling)
- 2.36
- Atomic radius
- 193 pm
- Covalent radius
- 162 pm
- First ionization energy
- 770 kJ/mol
- Electron affinity
- 79 kJ/mol
Notable isotopes
| Isotope | Mass | Abundance | Stability |
|---|---|---|---|
| W-184 | 183.95093 | 30.64% | Stable |
Common uses
- Light bulb filaments
- Cutting tools
- Jewelry
- Ammunition
Discovery
- Year
- 1783
- Discovered by
- Juan José Elhuyar, Fausto Elhuyar
- Country
- Spain
Frequently asked questions
- Is tungsten a metal?
- Yes. Tungsten is a metal, classified as a transition metal on the periodic table.
- How many protons does tungsten have?
- Tungsten has 74 protons. Its atomic number is 74, which is also the number of electrons in a neutral atom of tungsten.
- What group and period is tungsten in?
- Tungsten is in group 6 and period 6 of the periodic table, in the d-block.
- What is the atomic mass of tungsten?
- The atomic mass of tungsten is 183.84 u (unified atomic mass units).
Keep exploring
Tungsten's row is on the printable element property sheet, and its tile is on the periodic table wall chart - the same numbers as above, laid out for A4 or A3 paper.