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74W183.84

Tungsten

Transition metalsBlock 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
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Metallic bonding

Delocalized electron gas model. Consequences: conductivity, ductility, metallic luster.

9 min
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Electron configuration

Full1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶ 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.
Period 6Block dIUPAC Group 6Family Transition metals
Sources : NIST Atomic Weights & Isotopic Compositions, IUPAC Recommendations, CODATA. Methodology