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Elektronische Daten | Thermische Daten | Sterische Daten | ||
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Schalen: 2,8,18,16,1 Orbitale: [Kr] 4d8 5s1 Elektronegativität: 1.4, 2.2 1. Ionization potential: 7.4589 eV 2. Ionization potential: 18.08 eV 3. Ionization potential: 31.06 eV Oxidation states: 5,4,3,1,2,0 Electrical conductivity: 0.211 10^6 |
Melting point: 1966 °C ±3 Boiling point: 3695 °C Specific heat: 0.242 J/gK Heat of fusion: 21.50 kJ/mol Heat of vaporization: 493.0 kJ/mol Thermal conductivity: 1.50 W/cmK |
Atomic radius: 1.83 Å Ionic radius: 0.67 Å () Covalent radius: 1.25 Å Atomic volume: 8.3 cm³/mol Density (293 K): 12.4 g/cm³ Crystal structure: Kubisch flächenzentriert |
| Legende Taschenrechner |
| Nuklid | Häufigkeit [%] | Masse | Spin | Halbwertszeit | Zerfallsmodus | Zerfallsreihe |
| 101Rh | 0 | 101 | 1/2 | 3.3y | EC | View |
| 101Rhm | 0 | 101 | 9/2 | 4.35d | EC,IT | View |
| 102Rh | 0 | 102 | 6 | ~2.9y | EC | View |
| 102Rhm | 0 | 102 | 2 | 207d | EC, | View |
| 103Rh | 100 | 102.906 | 1/2 | -- | stabil | -- |
| 103Rhm | 0 | 103 | 7/2 | 56.12m | IT | View |
| 105Rh | 0 | 105 | 7/2 | 35.36h | View | |
| 105Rhm | 0 | 105 | 1/2 | 40s | IT | View |
| 106Rh | 0 | 106 | 1 | 29.9s | View |
| Legende |
| Herkunft des Namen: | griechisch: rhodon (rosa). Seine Salze geben eine rosa Lösung. |
| Beschreibung: | Hard, silvery-white metal |
| Entdeckt von: | William Wollaston |
| Jahr: | 1803 |
| Ort: | England |
| Quelle(n): | Obtained as a by-product of nickel production. |
| Verwendung(en): | Used as a coating to prevent wear on high quality science equipment and with platinum to make thermocouples. |
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