Reenium as en cheemisk element mä det ufkörtang Re an det atoomnumer 75. Hat as en raar, swaar auergungsmetal. Hör nööm komt faan di struum Rhein.
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| Eegenskapen |
|
|
| Algemian |
| Nööm, Symbool, Numer |
Reenium, Re, 75 |
| Seerie |
Auergungsmetal |
| Skööl, Periode, Blook |
7, 6, d |
| Klöör, Skak |
grä-witj |
| CAS-Numer |
7440-15-5 |
| Uundial |
0,001 ppm[1] |
| Atomaar [2] |
| Atoommase |
186,207(1)[3] u |
| Atoomraadius (bereegent) |
135 (188) pm |
| Kovalent-Raadius |
159 pm |
| Elektroonen |
[Xe] 4f14 5d5 6s2 |
| 1. Ionisiarang |
760 kJ/mol |
| 2. Ionisiarang |
1260 kJ/mol |
| 3. Ionisiarang |
2510 kJ/mol |
| 4. Ionisiarang |
3640 kJ/mol |
| Füsikaalisk [4] |
| Tustant |
fääst |
| Kristal |
hexagonaal |
| Sachthaid |
21,0 g/cm3 (25 °C)[5] |
| Hardhaid |
7–8[1] |
| Magnetismus |
paramagneetisk (Χm = 9,6 · 10−5)[6] |
| Smoltponkt |
3459 K (3186 °C) |
| Köögponkt |
5903 K[7] K (5630 °C) |
| Molaar Rüm |
8,86 · 10−6 m3/mol |
| Dampwaremk |
707 kJ/mol[7] kJ/mol |
| Smoltwaremk |
33 kJ/mol |
| Faard faan a tuun |
4700 m/s bi 293,15 K |
| Waremk |
137 J/(kg · K) |
| Elektrisk struumfeerang |
5,56 · 106 A/(V · m) |
| Waremkfeerang |
48 W/(m · K) |
| Cheemisk [8] |
| Oksidatsionstustant |
−3, −2, −1, 0, 1, 2, 3, 4, 5, 6, 7[9] |
| Sür of baasisk |
lacht sür |
| Normoolpotentiaal |
−0,276 V (ReO2 + 4 H+ + 4e−
→ Re + 2 H2O) |
| Elektronegatiwiteet |
1,9 (Pauling-Skala) |
| Isotoopen |
| Isotoop |
NH |
t1/2 |
Aktiwiteet |
Energii (MeV) |
Produkt |
| 185Re |
37,4 %
|
stabiil |
| 186Re |
{syn.}
| 89,25 h | β− | 1,069 | 186Os | | ε | 0,582 | 186W |
| 186mRe |
{syn.}
| 200.000 a | IT | 0,149 | 186Re | | β− | 1,218 | 186Os |
| 187Re |
62,6 %
| 4,12 · 1010 a | β− | 0,003 | 187Os |
| 188Re |
{syn.}
| 17,021 h | β− | 2,120 | 188Os |
|
| Muar isotoopen bi List faan isotoopen |
| NMR-Eegenskapen |
|
| Seekerhaid |
|
|
| Miast wurd SI-ianhaiden brükt. |
Schließen
Tekst üüb Öömrang
Elektroonenskel
Rian reenium
