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| Xenon | Xénon | Ksenon | Xeno | Xenon | ||||||||||||||||||||
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Xe Xenonum |
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- Xenon was discovered by Sir William Ramsay, Morris W. Travers (England) in 1898. The origin of the name comes from the Greek word xenos meaning stranger. It is heavy, colourless, odourless, noble gas. Reacts only with fluorine.
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EDELGASE | |
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| Relative Atommasse: | 131.293(6) | Elektronenkonfiguration: | [Kr] 4d10 5s2 5p6 |
| Oxidationszustände: | 0 | Elekronegativität: | 2.6 |
| Wärmeleitfähigkeit: | 0.0056 W m-1 K-1 | Elektrische Widerstandskraft (20 °C): | - μΩcm |
| Atomradius: | 216 pm | Zustand (20 °C): | gasförmig |
| Dichte (g dm-3): | 3540 (solid, m.p.) 2939 (liquid, b.p.) 5.8971 (gas, 273 K) |
Atomvolumen (cm3 mol-1): | 37.09 (solid, m.p.) 44.67 (liquid, b.p.) 22263.99 (gas, 273 K) |
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THERMISCHE EIGENSCHAFTEN | |
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| Schmelzpunkt: | -111.75 °C | Bildungsenergie: | 3.1 kJ mol-1 |
| Siedepunkt: | -108.0 °C | Verdampfungsenergie: | 12.65 kJ mol-1 |
| Kritische Temperatur: | 16.57 °C | Zerstäubungsenergie: | 0 kJ mol-1 |
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IONISIERUNGSENERGIE UND HÄUFIGKEIT | |
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| 1. Ionisierungenergie: | 1170.36 kJ mol-1 | Häufigkeit des Elements (Luft): | 0.086 ppm |
| 2. Ionisierungenergie: | 2046.45 kJ mol-1 | Häufigkeit des Elements (Erdkruste): | 0.000002 ppm |
| 3. Ionisierungenergie: | 3099.42 kJ mol-1 | Häufigkeit des Elements (Ozean): | 0.000047 ppm |
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ISOTOPE | |
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Isotope | Relative Atommasse | Häufigkeit (%) |
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124Xe | 123.905896(2) | 0.10(1) |
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126Xe | 125.904269(7) | 0.09(1) |
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128Xe | 127.903530(2) | 1.91(3) |
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129Xe | 128.9047794(9) | 26.4(6) |
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130Xe | 129.903508(1) | 4.1(1) |
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131Xe | 130.905082(1) | 21.2(4) |
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132Xe | 131.904154(1) | 26.9(5) |
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134Xe | 133.9053945(9) | 10.4(2) |
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136Xe | 135.907220(8) | 8.9(1) |
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MINERALIEN UND GEBRAUCH | |
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- Xenon is obtain from the small quantities in liquid air. Used for filling flash lamps and other powerful lamps. Electrical excitation of xenon produces a burst of brilliant white light. Also used in bubble chambers and modern nuclear power reactors. The price of 99.995 % pure xenon gas costs 266.50 €/dm3 in small quantities (1 dm3) and about 10.62 €/dm3 in large quantities (300 dm3).
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REDUKTIONSPOTENTIALE | |
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Balanced half-reaction | Eo / V | Anmerkung |
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