074Transition metal · Group 6 · Period 6
Tungsten
Tungsten (W) is element 74, a transition metal in the d-block — group 6, period 6. It is a solid at room temperature with 6 electron shells (2, 8, 18, 32, 12, 2) and an atomic mass of 183.841 u.
- Atomic mass
- 183.8 u
- Phase · STP
- solid
- Melting
- 3695 K · 3422 °C
- Boiling
- 6203 K · 5930 °C
- Electronegativity
- 2.36
- Density
- 19.25 g/cm³
Photograph — Jurii, CC BY 1.0 <https://creativecommons.org/licenses/by/1.0>, via Wikimedia Commons, source: https://images-of-elements.com/tungsten.php
Identity
- Atomic number
- 74
- Standard atomic weight
- 183.8 u
- Category
- Transition metal
- Group
- 6
- Period
- 6
- Block
- d-block
- Oxidation states
- +6
Physical properties
- Melting point
- 3695 K · 3422 °C
- Boiling point
- 6203 K · 5930 °C
- Density
- 19.25 g/cm³
- Molar heat capacity
- 24.27 J/(mol·K)
- Atomic radius
- 210 pm
- Electron affinity
- 78.76 kJ/mol
Atomic structure
74protons
110neutrons
74electrons
2valence e⁻
- Noble-gas notation
- [Xe] 4f14 5d4 6s2
- Full configuration
- 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d4
- Electrons per shell
- 2, 8, 18, 32, 12, 2
Periodic trends
Where Tungsten ranks across all 118 elements.
Ionization energies
Energy to remove each successive electron (kJ/mol).
7701
1.7k2
Successive ionization energies (kJ/mol, log scale).
Discovery
- Discovered
- 1783
- Discovered by
- Carl Wilhelm Scheele
- Named by
- —
- Appearance
- grayish white, lustrous