- Atomic Radius (Å)
Xenon is a chemical element with symbol Xe and atomic number 54. It is a colorless, dense, odorless noble gas, that occurs in the Earth's atmosphere in trace amounts. Although generally unreactive, xenon can undergo a few chemical reactions such as the formation of xenon hexafluoroplatinate, the first noble gas compound to be synthesized.
54
Atomic Number
131.29 u
Atomic Mass
161.45 K
Melting Point
165.03 K
Boiling Point
5.89 g/liter
Density
1.2 Å
Atomic Radius
1.4 Å
Covalent Radius
12.13 eV
First Ionization Energy
-77
Electron Affinity
5
Number of Shells
8
Electron Valency
2, 8, 18, 18, 8
Electron Shell Occupations
0.16 J/g
Specific Heat