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Tungsten
Block dPeriod 6Group 6solid at 20 °C
Configuration :[Xe] 4f¹⁴ 5d⁴ 6s²
Atomic mass :183.84 u
French :Tungstène
Latin :Wolframium
3D Bohr-model representation of the Tungsten atom (symbol W, atomic number Z=74). Electron shell configuration: 2, 8, 18, 32, 12, 2 electrons.
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Bohr model · educational
Electron configuration
Full[Xe] 4f¹⁴ 5d⁴ 6s²
Short[Xe] 4f¹⁴ 5d⁴ 6s²
Valence electrons6
KLMNOPQ shells
K2
L8
M18
N32
O12
P2
Electronegativity
Pauling2.36
Allen—
Mulliken (eV)—
Atomic radii
Empirical135 pm
Calculated193 pm
Covalent162 pm
Van der Waals—
Ionic radii (Shannon-Prewitt)
+660 pm
Successive ionisation energies
I₁770 kJ/mol
I₂1700 kJ/mol
Electron affinity78.6 kJ/mol
Oxidation states
-4-2-10+1+2+3+4+5+6
Bold states = most common.