Xe
Xenon Symbol (Xe)
Xenon is element 54 of the periodic table. Copy its symbol Xe and see its atomic weight, electron configuration and common compounds.
What does Xe mean?
Xe is the chemical symbol for xenon, element number 54 in the periodic table. Xenon is a noble gas in group 18, period 5. It is a noble gas used in flash lamps and headlights; it is one of the few noble gases that forms compounds.
Codes and properties
| Chemical symbol | Xe |
|---|---|
| Atomic number (Z) | 54 |
| Atomic weight (PubChem) | 131.29 |
| Group / period | 18 / 5 |
| Element category | noble gas |
| Electron configuration | [Kr]5s² 4d¹⁰ 5p⁶ |
| State at 20 °C | Gas |
| Oxidation states | 0 |
| Electronegativity (Pauling) | 2.6 |
| Melting point | 161.36 K (-111.79 °C) |
| Boiling point | 165.03 K (-108.12 °C) |
| Density | 0.005887 g/cm³ |
| Discovered | 1898 |
| Common compounds | XeF₂, XeF₄ |
How to type Xe
- Plain text: type
Xe— element symbols are ordinary Latin letters, with the first letter capitalised and the second lowercase. - Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as XeF₂ — copy them from the chemistry keyboard.
- LaTeX: write
\mathrm{Xe}in math mode, or use the mhchem package:\ce{Xe}. - HTML:
Xe; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for xenon?
The chemical symbol for xenon is Xe.
What is the atomic number of xenon?
Xenon has atomic number 54, meaning each atom has 54 protons.
What is the electron configuration of xenon?
The ground-state electron configuration of xenon is [Kr]5s² 4d¹⁰ 5p⁶.
Related symbols
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Reference: Xenon on PubChem (NIH)