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Elektronische Daten | Thermische Daten | Sterische Daten | ||
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Schalen: 2,8 Orbitale: [He] 2s2 2p6 Elektronegativität: 4.84, -- 1. Ionization potential: 21.5645 eV 2. Ionization potential: 40.962 eV 3. Ionization potential: 63.45 eV Oxidation states: 0 Electrical conductivity: -- |
Melting point: -248.67 °C Boiling point: -246.048 °C Specific heat: 0.904 J/gK Heat of fusion: 0.3317 kJ/mol Heat of vaporization: 1.7326 kJ/mol Thermal conductivity: 0.000493 W/cmK |
Atomic radius: 0.51 Å Ionic radius: -- Å () Covalent radius: 0.71 Å Atomic volume: 17.3 cm³/mol Density (293 K): 0.0008999 g/cm³ Crystal structure: Kubisch flächenzentriert |
| Legende Taschenrechner |
| Nuklid | Häufigkeit [%] | Masse | Spin | Halbwertszeit | Zerfallsmodus | Zerfallsreihe |
| 20Ne | 90.92 | 19.9924 | 0 | -- | stabil | -- |
| 21Ne | 0.257 | 20.9938 | 3/2 | -- | stabil | -- |
| 22Ne | 8.82 | 21.9914 | 0 | -- | stabil | -- |
| Legende |
| Herkunft des Namen: | griechisch: neos (neu) |
| Beschreibung: | Colorless, odorless, tasteless inert gas. Fourth most abundant element in the universe and fifth most abundant in the earth's atmosphere (18.18 ppm). |
| Entdeckt von: | Sir William Ramsey, M.W. Travers |
| Jahr: | 1898 |
| Ort: | England |
| Quelle(n): | Obtained from production of liquid air as a byproduct of producing liquid oxygen and nitrogen. |
| Verwendung(en): | Primär in der Beleuchtingstechnik. |
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