Eegenskapen
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Algemian
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Nööm, Symbool, Numer
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Gadoliinium, Gd, 64
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Seerie
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Lantanoid
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Skööl, Periode, Blook
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La, 6, f
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Klöör, Skak
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salwern witj
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CAS-Numer
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7440-54-2
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Uundial
|
5,9 ppm[1]
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Atomaar [2]
|
Atoommase
|
157,25(3)[3] u
|
Atoomraadius (bereegent)
|
188 (233) pm
|
Kovalent-Raadius
|
196 pm
|
Elektroonen
|
[Xe] 4f7 5d1 6s2
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1. Ionisiarang
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593,4 kJ/mol
|
2. Ionisiarang
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1170 kJ/mol
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3. Ionisiarang
|
1990 kJ/mol
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Füsikaalisk [2]
|
Tustant
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fääst
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Kristal
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hexagonaal
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Sachthaid
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7,886 g/cm3 (25 °C)[4]
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Magnetismus
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ferromagneetisk (Curie-Tempratuur 292,5 K)[5]
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Smoltponkt
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1585 K (1312 °C)
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Köögponkt
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3273 K[6] K (3000 °C)
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Molaar Rüm
|
19,90 · 10−6 m3/mol
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Dampwaremk
|
301 kJ/mol[6] kJ/mol
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Smoltwaremk
|
10,0 kJ/mol
|
Faard faan a tuun
|
2680 m/s bi 293,15 K
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Elektrisk struumfeerang
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0,763 · 106 A/(V · m)
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Waremkfeerang
|
11 W/(m · K)
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Cheemisk [2]
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Oksidatsionstustant
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2, 3
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Sür of baasisk
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lacht baasisk
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Elektronegatiwiteet
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1,20 (Pauling-Skala)
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Isotoopen
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Isotoop
|
NH
|
t1/2
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Aktiwiteet
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Energii (MeV)
|
Produkt
| 150Gd |
{syn.}
| 1.790.000 a | α | 2,809 | 146Sm |
151Gd |
{syn.}
| 124 d | ε | 0,464 | 151Eu |
152Gd |
0,20 %
| 1,08 · 1014 a | α | 2,205 | 148Sm |
153Gd |
{syn.}
| 241,6 d | ε | 0,485 | 153Eu |
154Gd |
2,18 %
|
stabiil |
155Gd |
14,80 %
|
stabiil |
156Gd |
20,47 %
|
stabiil |
157Gd |
15,65 %
|
stabiil |
158Gd |
24,84 %
|
stabiil |
159Gd |
{syn.}
| 18,479 h | β− | 0,971 | 159Tb |
160Gd |
21,86 %
| ≥ 1,3 · 1021 a | β−β− | k. A. | 160Dy |
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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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Gadoliinium as en cheemisk element mä det ufkörtang Gd an det atoomnumer 64. Hat hiart tu a lantanoiden. Hat as näämd efter Johan Gadolin.
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SIMS-spektrum faan a
isotoopen
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Elektroonenskel
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Rian gadoliinium
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Johan Gadolin
- ↑ Harry H. Binder: Lexikon der chemischen Elemente, S. Hirzel Verlag, Stuttgart 1999, ISBN 3-7776-0736-3.
- ↑ A taalen för't infobox kem miast faan www.webelements.com (Gadolinium) .
- ↑ CIAAW, Standard Atomic Weights Revised 2013.
- ↑ N. N. Greenwood und A. Earnshaw: Chemie der Elemente, 1. aplaag, VCH, Weinheim 1988, ISBN 3-527-26169-9, S. 1579.
- ↑ Weast, Robert C. (ed. in chief): CRC Handbook of Chemistry and Physics. CRC (Chemical Rubber Publishing Company), Boca Raton 1990. S. E-129 bit E-145. ISBN 0-8493-0470-9. Wäärser diar uun g/mol an uun cgs-ianhaiden. Heer amreegent tu SI-wäärs.
- ↑ 6,0 6,1 Yiming Zhang, Julian R. G. Evans, Shoufeng Yang: Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks. Uun: Journal of Chemical & Engineering Data. 56, 2011, S. 328–337, doi:10.1021/je1011086.
- ↑ 7,0 7,1 Iindraanj tu Gadolinium, Pulver uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 26. April 2017 (mä JavaScript).