Eegenskapen |
|
Algemian |
Nööm, Symbool, Numer | Luteetsium, Lu, 71 |
Seerie | Lantanoid |
Skööl, Periode, Blook | La, 6, f |
Klöör, Skak | salwern witj |
CAS-Numer | 7439-94-3 |
Uundial | 0,7 ppm |
Atomaar |
Atoommase | 174,9668(1) u |
Atoomraadius (bereegent) | 175 (217) pm |
Kovalent-Raadius | 187 pm |
Elektroonen | [Xe] 4f14 5d1 6s2 |
1. Ionisiarang | 523,5 kJ/mol |
2. Ionisiarang | 1340 kJ/mol |
3. Ionisiarang | 2022,3 kJ/mol |
Füsikaalisk |
Tustant | fääst |
Kristal | hexagonaal |
Sachthaid | 9,84 g/cm3 (25 °C) |
Magnetismus | paramagneetisk (Χm > 0) |
Smoltponkt | 1925 K (1652 °C) |
Köögponkt | 3603 K K (3330 °C) |
Molaar Rüm | 17,78 · 10−6 m3/mol |
Dampwaremk | 414 kJ/mol kJ/mol |
Smoltwaremk | 22 kJ/mol |
Elektrisk struumfeerang | 1,72 · 106 A/(V · m) |
Waremkfeerang | 16 W/(m · K) |
Cheemisk |
Oksidatsionstustant | 3 |
Sür of baasisk | swaak baasisk |
Normoolpotentiaal | −2,30 V (Lu3+ + 3 e− → Lu) |
Elektronegatiwiteet | 1,27 (Pauling-Skala) |
Isotoopen |
Isotoop | NH | t1/2 | Aktiwiteet | Energii (MeV) | Produkt | 173Lu | {syn.} | 1,37 a | ε | 0,671 | 173Yb | 174Lu | {syn.} | 3,31 a | ε | 1,374 | 174Yb | 174mLu | {syn.} | 142 d | IT | 0,171 | 174Lu | ε | 1,545 | 174Yb | 175Lu | 97,41 % | stabiil | 176Lu | 2,59 % | 3,78 · 1010 a | β− | 1,192 | 176Hf | 176mLu | {syn.} | 3,6832 h | β− | 1,315 | 176Hf | ε | 0,229 | 176Yb | 177Lu | {syn.} | 6,734 d | β− | 0,498 | 177Hf | 177mLu | {syn.} | 160,4 d | β− | 1,468 | 177Hf | IT | 0,970 | 177Lu | |
Muar isotoopen bi List faan isotoopen |
Seekerhaid |
|
Miast wurd SI-ianhaiden brükt. |
Luteetsium as en cheemisk element mä det ufkörtang Lu an det atoomnumer 71. Hat hiart tu a lantaniiden an diarmä tu a raar eerden.
Bilen
Luke uk diar
Kwelen
This article uses material from the Wikipedia Nordfrasch article Luteetsium, which is released under the Creative Commons Attribution-ShareAlike 3.0 license ("CC BY-SA 3.0"); additional terms may apply (view authors). Det sidj as tu fun oner CC BY-SA 4.0 , wan diar niks ööders stäänt. Images, videos and audio are available under their respective licenses.
®Wikipedia is a registered trademark of the Wiki Foundation, Inc. Wiki Nordfrasch (DUHOCTRUNGQUOC.VN) is an independent company and has no affiliation with Wiki Foundation.