| Eegenskapen
|
|
|
| Algemian
|
| Nööm, Symbool, Numer
|
Tseesium, Cs, 55
|
| Seerie
|
Alkaalimetal
|
| Skööl, Periode, Blook
|
1, 6, s
|
| Klöör, Skak
|
salwer-witf skürnin, mä sürstoof gul-güül
|
| CAS-Numer
|
7440-46-2
|
| Uundial
|
6,5 ppm[1]
|
| Atomaar [2]
|
| Atoommase
|
132,90545196(6)[3] u
|
| Atoomraadius (bereegent)
|
265 (298) pm
|
| Kovalent-Raadius
|
244 pm
|
| Van der Waals-Raadius
|
343[4] pm
|
| Elektroonen
|
[Xe] 6s1
|
| Energii
|
2,14 eV[5]
|
| 1. Ionisiarang
|
375,7 kJ/mol
|
| Füsikaalisk [2]
|
| Tustant
|
fääst
|
| Kristal
|
kuubisk
|
| Sachthaid
|
1,90 g/cm3 (20 °C)[6]
|
| Hardhaid
|
0,2
|
| Magnetismus
|
paramagneetisk (Χm = 5,2 · 10−6)[7]
|
| Smoltponkt
|
301,59 K (28,44 °C)
|
| Köögponkt
|
963,2 K[8] K (690 °C)
|
| Molaar Rüm
|
70,94 · 10−6 m3/mol
|
| Dampwaremk
|
66,1 kJ/mol[8] kJ/mol
|
| Smoltwaremk
|
2,09 kJ/mol
|
| Elektrisk struumfeerang
|
4,76 · 106 A/(V · m)
|
| Waremkfeerang
|
36 W/(m · K)
|
| Cheemisk [2]
|
| Oksidatsionstustant
|
+1
|
| Oksiiden
|
Cs2O
|
| Sür of baasisk
|
üs CsOH stark baasisk
|
| Normoolpotentiaal
|
−2,923 V (Cs+ + e− → Cs)
|
| Elektronegatiwiteet
|
0,79 (Pauling-Skala)
|
| Isotoopen
|
| Isotoop
|
NH
|
t1/2
|
Aktiwiteet
|
Energii (MeV)
|
Produkt
| | 131Cs |
{syn.}
| 9,689 d | ε | 0,352 | 131Xe |
| 132Cs |
{syn.}
| 6,479 d | ε | 2,120 | 132Xe | | β− | 1,280 | 132Ba |
| 133Cs |
100 %
|
stabiil |
| 134Cs |
{syn.}
| 2,0648 a | β− | 2,059 | 134Ba |
| 135Cs |
{syn.}
| 2,3 · 106 a | β− | 0,2 | 135Ba |
| 136Cs |
{syn.}
| 13,16 d | β− | 2,548 | 136Ba |
| 137Cs |
{syn.}
| 30,17 a | β− | 0,512 (94,6 %) | 137mBa | | β− | 1,176 (5,4 %) | 137Ba |
|
| Muar isotoopen bi List faan isotoopen
|
| Seekerhaid
|
|
|
| Miast wurd SI-ianhaiden brükt.
|
Tseesium as en cheemisk element mä det ufkörtang Cs (faan Caesium) an det atoomnumer 55. Hat as en alkaalimetal. Hat reagiaret stark mä loft.
-
SIMS-spektrum faan a
isotoopen
-
Elektroonenskel
-
Rian tseesium
-
Tseesium-kristal
- ↑ 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 (Caesium) .
- ↑ CIAAW, Standard Atomic Weights Revised 2013.
- ↑ Manjeera Mantina, Adam C. Chamberlin, Rosendo Valero, Christopher J. Cramer, Donald G. Truhlar: Consistent van der Waals Radii for the Whole Main Group. Uun: J. Phys. Chem. A. 113, 2009, S. 5806–5812, doi:10.1021/jp8111556.
- ↑ Ludwig Bergmann, Clemens Schaefer, Rainer Kassing: Lehrbuch der Experimentalphysik. Band 6: Festkörper. 2. aplaag. Walter de Gruyter, 2005, ISBN 3-11-017485-5, S. 361.
- ↑ N. N. Greenwood, A. Earnshaw: Chemie der Elemente. 1. aplaag. VCH, Weinheim 1988, ISBN 3-527-26169-9, S. 97.
- ↑ 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. Amreegent tu SI-wäärs.
- ↑ 8,0 8,1 Yiming Zhang, Julian R. G. Evans, Shoufeng Yang: Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks. In: Journal of Chemical & Engineering Data. 56, 2011, S. 328–337, doi:10.1021/je1011086.
- ↑ 9,0 9,1 Iindraanj tu Cäsium uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 30. April 2017 (mä JavaScript).
Tekst üüb Öömrang
Elektroonenskel
Rian tseesium
Tseesium-kristal
Commonskategorii: Tseesium – Saamlang faan bilen of filmer