Atomic Element Z = 74 • Transition Metal
Tungsten (W) — Atomic Data, Electron Shells & Reactions
Tungsten (symbol W, atomic number 74) has a standard atomic weight of 183.84 u and ground-state configuration [Xe] 4f14 5d4 6s2.
Atomic Number (Z)
74
IUPAC Symbol
W
Standard Atomic Weight
183.84 g/mol
Period / Group / Block
6 / 6 / d-block
Condensed Electron Config
[Xe] 4f14 5d4 6s2
Full Subshell Config
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d4 6s2
Principal Shell Occupancy
[2, 8, 18, 32, 12, 2]
Pauling Electronegativity
2.36
First Ionization Energy
770 kJ/mol
Covalent Radius
162 pm
Melting Point
3695 K (3421.85 °C)
Boiling Point
5828 K (5554.85 °C)
Density
19.25 g/cm³
Oxidation States
+6, +4
W (Z=74) — Valence shell highlighted in vermilion