Xenon (Xe)
![](../Images/spacer.gif)
![](../Images/otherelements.gif)
![](../Images/spacer.gif)
![](../Images/neutralatom.gif)
![](../Images/singlyionized.gif)
![Homepage - Introduction Homepage - Introduction](../Images/mainPage.jpg)
![Finding list Finding list](../Images/findinglist.gif)
![Select element by name. Select element by name.](../Images/element_name_G.gif)
![Select element by atomic number. Select element by atomic number.](../Images/atomic_number_G.gif)
![Select element from periodic table Select element from periodic table](../Images/periodic_table_G.gif)
![](../Images/spacer.gif)
![Xenon Atomic Data Xenon Atomic Data](../Images/general_B.gif)
![Xenon Strong Lines Xenon Strong Lines](../Images/strong_Y.gif)
![Xenon Neutral Atom Persistent Lines Xenon Neutral Atom Persistent Lines](../Images/persistent_Y.gif)
![Xenon Neutral Atom Energy Levels Xenon Neutral Atom Energy Levels](../Images/energy_Y.gif)
![Xenon Singly Ionized Persistent Lines Xenon Singly Ionized Persistent Lines](../Images/persistent_O.gif)
![Xenon Singly Ionized Energy Levels Xenon Singly Ionized Energy Levels](../Images/energy_O.gif)
Atomic Data for Xenon (Xe)
Atomic Number = 54
Atomic Weight = 131.29
Reference E95
Isotope Mass Abundance Spin Mag Moment
128Xe 127.903531 1.91% 0
129Xe 128.904780 26.4% 1/2 -0.7768
130Xe 129.903509 4.1% 0
131Xe 130.905072 21.2% 3/2
132Xe 131.904144 26.9% 0
134Xe 133.905395 10.4% 0
136Xe 135.907214 8.9% 0
Xe I Ground State 1s22s22p63s23p63d104s24p64d105s25p6 1S0
Ionization energy 97833.79 cm-1 (12.12984 eV) Ref. BVHU01,KW85
Xe II Ground State 1s22s22p63s23p63d104s24p64d105s25p5 2P°3/2
Ionization energy 169175 cm-1 (20.9750 eV) Ref. HP87