Xenon information, including Technical Data, Safety Data and its high purity properties, research, applications and other useful facts are discussed below. Scientific facts such as the atomic structure, ionization energy, abundance on Earth, conductivity and thermal properties are included.
Xenon is a Block P, Group 18, Period 5 element. The electronic configuration is [Kr] 4d10 5s2 5p6. In its elemental form xenon's CAS number is 7440-63-3. The xenon atom has a radius of 216.pm and it's Van der Waals radius is 216.pm. Xenon was discovered by Sir William Ramsay and Morris W. Travers in 1898.
Xenon Abundance. The following table shows the abundance of xenon and each of its naturally occurring isotopes on Earth along with the atomic mass for each isotope. |
xénon
Xenon
xeno
Xênon
xenón
xenónIsotope |
Atomic Mass |
% Abundance on Earth |
Xe-124 |
123.905896 |
0.10 |
Xe-126 |
125.904269 |
0.09 |
Xe-128 |
127.903530 |
1.91 |
Xe-129 |
128.9047794 |
26.4 |
Xe-130 |
129.903508 |
4.1 |
Xe-131 |
130.905082 |
21.2 |
Xe-132 |
131.904154 |
26.9 |
Xe-134 |
133.9053945 |
10.4 |
Xe-136 |
135.907220 |
8.9 |
Xenon Safety Data.
The safety data for xenon metal, nanoparticles and its compounds can vary widely depending on the form. For potential hazard information, toxicity, and road, sea and air transportation limitations, such as DOT Hazard Class, DOT Number, EU Number, NFPA Health rating and RTECS Class, please see the specific material or compound referenced in the left margin.
Ionization Energy. The ionization energy for xenon (the least required energy to release a single electron from the atom in it's ground state in the gas phase) is stated in the following table: |
1st Ionization Energy |
1170.36 kJ mol-1 |
2nd Ionization Energy |
2046.45 kJ mol-1 |
3rd Ionization Energy |
3099.42 kJ mol-1 |
Conductivity. As to
xenon's electrical and thermal conductivity, the electrical conductivity measured in terms of electrical resistivity @
20 ºC is - µOcm and its electronegativities (or its ability to draw electrons relative to other elements) is
2.6. The thermal conductivity of
xenon is 0.0056 W m-1 K-1.
Thermal Properties of Xenon. The melting point and boiling point for xenon are stated below. The following chart sets forth the heat of fusion, heat of vaporization and heat of atomization. |
Heat of Fusion |
3.1 kJ mol-1 |
Heat of Vaporization |
12.65 kJ mol-1 |
Heat of Atomization |
0 kJ mol-1 |
| Formula | Atomic Number | Molecular Weight | Electronegativity (Pauling) | Density | Melting Point | Boiling Point |
Vanderwaals radius |
Ionic radius | Energy of first ionization |
| Xe | 54 | 131.293 g.mol -1 | 2.6 | 5.894 g/L | -111.7 °C | -108.12 °C | .216 nm | - pm | 1170.36 kJ.mol-1 |
| PRODUCT CATALOG | U.S. Operations | Submicron & Nanopowder | Tolling | Ultra High Purity | Sputtering Target | Crystal Growth | Rod, Plate, Powder, etc. | Foil |
