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| Unununium | Unununium | Unununij | Unununio | Unununium | ||||||||||||||||||||
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Uuu Unununium |
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- Unununium was discovered by S. Hofmann et al. collaboration at the Heavy Ion Research Laboratory (Gesellschaft für Schwerionenforschung, GSI) in Darmstadt, Germany in December 1994. The new element has not yet been officially named, but it is known as unununium, according to the system designated by the IUPAC for naming new elements. It is synthetic radioactive metal.
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UEBERGANGSELEMENTE: KUPFERGRUPPE | |
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| Relative Atommasse: | [272] | Elektronenkonfiguration: | [Rn] 5f14 6d10 7s1 |
| Oxidationszustände: | Elekronegativität: | - | |
| Wärmeleitfähigkeit: | - W m-1 K-1 | Elektrische Widerstandskraft (20 °C): | - μΩcm |
| Atomradius: | - pm | Zustand (20 °C): | fest |
| Dichte (g dm-3): | - | Atomvolumen (cm3 mol-1): | - |
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THERMISCHE EIGENSCHAFTEN | |
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| Schmelzpunkt: | - °C | Bildungsenergie: | - kJ mol-1 |
| Siedepunkt: | - °C | Verdampfungsenergie: | - kJ mol-1 |
| Kritische Temperatur: | - °C | Zerstäubungsenergie: | - kJ mol-1 |
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IONISIERUNGSENERGIE UND HÄUFIGKEIT | |
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| 1. Ionisierungenergie: | - kJ mol-1 | Häufigkeit des Elements (Luft): | - ppm |
| 2. Ionisierungenergie: | - kJ mol-1 | Häufigkeit des Elements (Erdkruste): | - ppm |
| 3. Ionisierungenergie: | - kJ mol-1 | Häufigkeit des Elements (Ozean): | - ppm |
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ISOTOPE | |
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Isotope | Relative Atommasse | Häufigkeit (%) |
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MINERALIEN UND GEBRAUCH | |
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- In bombardments of 209Bi targets with 64Ni using the velocity selector SHIP facility to discriminate in favor of the fused product, 272111 + 1n, three sets of localized alpha-decay chains were observed with position-sensitive detectors.
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REDUKTIONSPOTENTIALE | |
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Balanced half-reaction | Eo / V | Anmerkung |
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