Xe
Xenon
Z 54 131.293 g/molNoble Gas
Nucleus
54 Protons
77 Neutrons
54 Electrons (8 Valence)
Shell distribution: K2 • L8 • M18 • N18 • O8 • P0 • Q0
Electron Configuration
Energy
7p
6d
5f
7s
6p
5d
4f
6s
5p
4d
5s
4p
3d
4s
3p
3s
2p
2s
1s
[Kr]4d105s25p6
Oxidation States
CommonRare
0
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Radii
Empirical
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Calculated
108 pm1.08 Å
Covalent
140±9 pm1.4±0.09 Å
Van der Waals
216 pm2.16 Å
Ionic
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Crystal Structure
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Face-centered cubic
Pearson symbol
cF4
Space group
Fm3m No. 225