Eegenskapen
|
|
Algemian
|
Nööm, Symbool, Numer
|
Euroopium, Eu, 63
|
Seerie
|
Lantanoid
|
Skööl, Periode, Blook
|
La, 6, f
|
Klöör, Skak
|
salwern witj
|
CAS-Numer
|
7440-53-1
|
Uundial
|
0,099 ppm[1]
|
Atomaar [2]
|
Atoommase
|
151,964(1)[3] u
|
Atoomraadius (bereegent)
|
185 (231) pm
|
Kovalent-Raadius
|
198 pm
|
Elektroonen
|
[Xe] 4f7 6s2
|
1. Ionisiarang
|
547,1 kJ/mol
|
2. Ionisiarang
|
1085 kJ/mol
|
3. Ionisiarang
|
2404 kJ/mol
|
Füsikaalisk [2]
|
Tustant
|
fääst
|
Kristal
|
kuubisk
|
Sachthaid
|
5,245 g/cm3 (25 °C)[4]
|
Magnetismus
|
paramagneetisk (Χm = 0,013)[5]
|
Smoltponkt
|
1099 K (826 °C)
|
Köögponkt
|
1713 K[6] K (1440 °C)
|
Molaar Rüm
|
28,97 · 10−6 m3/mol
|
Dampwaremk
|
176 kJ/mol[6] kJ/mol
|
Smoltwaremk
|
9,2 kJ/mol
|
Elektrisk struumfeerang
|
1,11 · 106 A/(V · m)
|
Waremkfeerang
|
14 W/(m · K)
|
Cheemisk [2]
|
Oksidatsionstustant
|
2, 3
|
Sür of baasisk
|
lacht baasisk
|
Normoolpotentiaal
|
−1,99 V (Eu3+ + 3 e− → Eu)
|
Isotoopen
|
Isotoop
|
NH
|
t1/2
|
Aktiwiteet
|
Energii (MeV)
|
Produkt
| 149Eu |
{syn.}
| 93,1 d | ε | 0,692 | 149Sm |
150Eu |
{syn.}
| 36,9 a | ε | 2,261 | 150Sm |
151Eu |
47,8 %
| > 1,7 × 1018 a | α | ? | 147Pm |
152Eu |
{syn.}
| 13,516 a | ε | 1,874 | 152Sm | β− | 1,819 | 152Gd |
153Eu |
52,2 %
|
stabiil |
154Eu |
{syn.}
| 8,593 a | β− | 1,969 | 154Gd |
155Eu |
{syn.}
| 4,7611 a | β− | 0,252 | 155Gd |
|
Muar isotoopen bi List faan isotoopen
|
NMR-Eegenskapen
|
|
Seekerhaid
|
|
Miast wurd SI-ianhaiden brükt.
|
Euroopium as en cheemisk element mä det ufkörtang Eu an det atoomnumer 63. Hat hiart tu a lantanoiden.
- ↑ 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 (Europium) .
- ↑ CIAAW, Standard Atomic Weights Revised 2013.
- ↑ N. N. Greenwood, A. Earnshaw: Chemie der Elemente. 1. aplaag. VCH, Weinheim 1988, ISBN 3-527-26169-9, S. 1579.
- ↑ Robert C. Weast (Hrsg.): CRC Handbook of Chemistry and Physics. CRC (Chemical Rubber Publishing Company), Boca Raton 1990, ISBN 0-8493-0470-9, S. E-129 bit E-145. 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 Europium uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 26. April 2017 (mä JavaScript).