Eegenskapen |
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Algemian |
Nööm, Symbool, Numer | Indium, In, 49 |
Seerie | Metal |
Skööl, Periode, Blook | 13, 5, p |
Klöör, Skak | salwern grä, skemert |
CAS-Numer | 7440-74-6 |
Uundial | 0,1 ppm |
Atomaar |
Atoommase | 114,818(1) u |
Atoomraadius (bereegent) | 155 (156) pm |
Kovalent-Raadius | 144 pm |
Van der Waals-Raadius | 193 pm |
Elektroonen | [Kr] 4d105s25p1 |
1. Ionisiarang | 558,3 kJ/mol |
2. Ionisiarang | 1820,7 kJ/mol |
3. Ionisiarang | 2704 kJ/mol |
Füsikaalisk |
Tustant | fest |
Kristal | tetragonaal |
Sachthaid | 7,31 g/cm3 |
Hardhaid | 1,2 |
Magnetismus | diamagneetisk (Χm = −5,1 · 10−5) |
Smoltponkt | 429,7485 K (156,5985 °C) |
Köögponkt | 2273 K K (2000 °C) |
Molaar Rüm | 15,76 · 10−6 m3/mol |
Dampwaremk | 225 kJ/mol kJ/mol |
Smoltwaremk | 3,26 kJ/mol |
Dampdruk | 1 Pa bei 1196 K |
Faard faan a tuun | 1215 m/s bi 293,15 K |
Waremk | 233 J/(kg · K) |
Elektrisk struumfeerang | 12,5 · 106 A/(V · m) |
Waremkfeerang | 81,6 W/(m · K) |
Cheemisk |
Oksidatsionstustant | 3, 1 |
Sür of baasisk | amphoter |
Normoolpotentiaal | −0,343 V (In3+ + 3e− → In) |
Elektronegatiwiteet | 1,78 (Pauling-Skala) |
Isotoopen |
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Muar isotoopen bi List faan isotoopen |
NMR-Eegenskapen |
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Seekerhaid |
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Miast wurd SI-ianhaiden brükt. |
Indium as en cheemisk element mä det ufkörtang In an det atoomnumer 49. Hat stäänt uun't 5. periode an diar uun't 13. skööl, det Boorskööl. Det metal woort brükt för't elektrotechnik.
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