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xenon
Xenon Informationen, einschließlich Technische Daten, Safety Data und seine Eigenschaften, Forschung, Anwendungen und andere nützliche Fakten sind erörtert werden. Wissenschaftliche Fakten, wie die atomare Struktur, Ionisierungenergie, Fülle auf der Erde, Leitfähigkeit und thermischen Eigenschaften sind im Preis inbegriffen.

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Xenon ist ein Block P, Gruppe 18, Zeitraum 5 Element. Die elektronische Konfiguration ist [Kr] 4d10 5s2 5p6. In seiner elementaren Form Xenon's CAS-Nummer ist 7440-63-3. Die Xenon Atom hat einen Radius von 216.pm und es ist, Van der Waals Radius ist 216.pm.

Xenon entdeckt wurde von Sir William Ramsay und Morris W. Travers im Jahre 1898.

 

 





French xénon German Xenon Italian xeno PortugueseXênon Spanish xenón Swedish xenón

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.
Isotope
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.

Ionisation Energie. Die Ionisierungenergie für xenon (die am wenigsten Energie benötigt, um ein einzelnes Elektron aus dem Atom in seinem Grundzustand in der Gasphase) ist in der folgenden Tabelle dargestellt:

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

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Recent Research & Development for Xenon

  • Treatment of hemodynamic insufficiency in chronic CCA occlusion using a short saphenous vein interposition graft: diagnostic and technical considerations : An illustrative case report. Neurosurg Rev. 2007 Oct 3; [Epub ahead of print]

  • Xenon-enhanced computed tomography cerebral blood flow measurements in acute cerebral ischemia: Review of 56 cases. J Stroke Cerebrovasc Dis. 1999 Nov-Dec;8(6):404-11.

  • Combined intravenous and intraarterial thrombolytic therapy for treatment of an acute ischemic stroke: A case report. J Stroke Cerebrovasc Dis. 1999 July - August;8(4):264-267.

  • The effect of reperfusion therapy on cerebral blood flow in acute stroke. J Stroke Cerebrovasc Dis. 1999 Jan-Feb;8(1):9-16.

  • Vasodilator responses to acetazolamide tested in subtypes of vascular dementia. J Stroke Cerebrovasc Dis. 1998 Sep-Oct;7(5):323-9.

  • Reduced stroke risk in patients with compromised cerebral blood flow reactivity treated with superficial temporal artery to distal middle cerebral artery bypass surgery. J Stroke Cerebrovasc Dis. 1998 Sep-Oct;7(5):302-9.

  • Fabrication of a multiple-diameter branched network of microvascular channels with semi-circular cross-sections using xenon difluoride etching. Biomed Microdevices. 2007 Sep 22; [Epub ahead of print]

  • Hyperpolarized (129)Xe MRI: A viable functional lung imaging modality? Eur J Radiol. 2007 Sep 21; [Epub ahead of print]

  • Formamide Dimers: A Computational and Matrix Isolation Study. J Phys Chem A. 2007 Sep 21; [Epub ahead of print]

  • Effect of recombination in a high quantum efficiency prototype ionization-chamber-based electronic portal imaging device. Med Phys. 2007 Aug;34(8):3224-32.

  • Thermodynamics of Xenon Binding to Cryptophane in Water and Human Plasma [J. Am. Chem. Soc. 2007, 129, 9262-9263]. J Am Chem Soc. 2007 Aug 28; [Epub ahead of print] No abstract available. [PubMed - as supplied by publisher]

  • Noble gases without anesthetic properties protect myocardium against infarction by activating prosurvival signaling kinases and inhibiting mitochondrial permeability transition in vivo. Anesth Analg. 2007 Sep;105(3):562-9. [PubMed - in process]

  • A Cryptophane Biosensor for the Detection of Specific Nucleotide Targets through Xenon NMR Spectroscopy. Chemphyschem. 2007 Aug 21; [Epub ahead of print] No abstract available. [PubMed - as supplied by publisher]

  • A High-Power Laser-Driven Source of Sub-nanosecond Soft X-Ray Pulses for Single-Shot Radiobiology Experiments. Radiat Res. 2007 Sep;168(3):382-7. [PubMed - in process]

  • In vitro colour stability of aesthetic brackets. Eur J Orthod. 2007 Aug;29(4):354-358. [PubMed - as supplied by publisher]

  • Micro-CT Imaging of Rat Lung Ventilation using Continuous Image Acquisition during Xenon Gas Contrast Enhancement. J Appl Physiol. 2007 Aug 9; [Epub ahead of print] [PubMed - as supplied by publisher]

  • Nuclear spin resonance of (129)Xe doped with O(2). J Magn Reson. 2007 Jul 17; [Epub ahead of print] [PubMed - as supplied by publisher]

  • Comparison between the Landau-Teller and flux-flux methods for computing vibrational energy relaxation rate constants in the condensed phase. J Chem Phys. 2007 Aug 7;127(5):054504. [PubMed - in process]

  • Revisiting the intensity output of curing lights in private dental offices. Compend Contin Educ Dent. 2007 Jul;28(7):380-4; quiz 385-6. [PubMed - indexed for MEDLINE]

  • [Effects of xenon and krypton-containing breathing mixtures on clinical and biochemical blood indices in animals] Aviakosm Ekolog Med. 2007 Mar-Apr;41(2):60-4. Russian. [PubMed - in process]

 

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