W
Tungsten
Z 74 183.84 g/molTransition Metal
Nucleus
74 Protons
110 Neutrons
74 Electrons (6 Valence)
Shell distribution: K2 • L8 • M18 • N32 • O12 • P2 • Q0
Electron Configuration
Energy
7p
6d
5f
7s
6p
5d
4f
6s
5p
4d
5s
4p
3d
4s
3p
3s
2p
2s
1s
[Xe]4f145d46s2
Oxidation States
CommonRare
0
Pick a state to see its ions
Radii
Empirical
135 pm1.35 Å
Calculated
193 pm1.93 Å
Covalent
162±7 pm1.62±0.07 Å
Van der Waals
210 pm2.1 Å
IonicW4+
66 pm0.66 Å
Crystal Structure
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Body-centered cubic
Pearson symbol
cI2
Space group
Im3m No. 229