Eegenskapen
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Algemian
|
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Nööm, Symbool, Numer
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Reenium, Re, 75
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Seerie
|
Auergungsmetal
|
Skööl, Periode, Blook
|
7, 6, d
|
Klöör, Skak
|
grä-witj
|
CAS-Numer
|
7440-15-5
|
Uundial
|
0,001 ppm[1] |
Atomaar [2] |
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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 [2] |
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Tustant
|
fääst
|
Kristal
|
hexagonaal
|
Sachthaid
|
21,0 g/cm3 (25 °C)[4] |
Hardhaid
|
7–8[1] |
Magnetismus
|
paramagneetisk (Χm = 9,6 · 10−5)[5] |
Smoltponkt
|
3459 K (3186 °C)
|
Köögponkt
|
5903 K[6] K (5630 °C)
|
Molaar Rüm
|
8,86 · 10−6 m3/mol
|
Dampwaremk
|
707 kJ/mol[6] 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 [2] |
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Oksidatsionstustant
|
−3, −2, −1, 0, 1, 2, 3, 4, 5, 6, 7[7] |
Sür of baasisk
|
lacht sür
|
Normoolpotentiaal
|
−0,276 V (ReO2 + 4 H+ + 4e− → Re + 2 H2O)
|
Elektronegatiwiteet
|
1,9 (Pauling-Skala)
|
Isotoopen
|
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Isotoop
|
NH
|
t1/2
|
Aktiwiteet
|
Energii (MeV)
|
Produkt
|
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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 |
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Muar isotoopen bi List faan isotoopen
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NMR-Eegenskapen
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Seekerhaid
|
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|
Miast wurd SI-ianhaiden brükt.
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