Eegenskapen
|
|
Algemian
|
Nööm, Symbool, Numer
|
Rubiidium, Rb, 37
|
Seerie
|
Alkaalimetal
|
Skööl, Periode, Blook
|
1, 5, s
|
Klöör, Skak
|
salwern witj
|
CAS-Numer
|
7440-17-7
|
Uundial
|
29 ppm[1]
|
Atomaar [2]
|
Atoommase
|
85,4678(3)[3] u
|
Atoomraadius (bereegent)
|
235 (265) pm
|
Kovalent-Raadius
|
220 pm
|
Van der Waals-Raadius
|
303[4] pm
|
Elektroonen
|
[Kr] 5s1
|
Energii
|
2,16 eV[5]
|
1. Ionisiarang
|
403,0 kJ/mol
|
Füsikaalisk [2]
|
Tustant
|
fest
|
Kristal
|
kuubisk
|
Sachthaid
|
1,532 g/cm3 (20 °C)[6]
|
Hardhaid
|
0,3
|
Magnetismus
|
paramagneetisk (Χm = 3,8 · 10−6)[7]
|
Smoltponkt
|
312,46 K (39,31 °C)
|
Köögponkt
|
961,2 K[8] K (688 °C)
|
Molaar Rüm
|
55,76 · 10−6 m3/mol
|
Dampwaremk
|
69 kJ/mol[8] kJ/mol
|
Smoltwaremk
|
2,19 kJ/mol
|
Faard faan a tuun
|
1300 m/s bi 293,15 K
|
Elektrisk struumfeerang
|
7,52 · 106 A/(V · m)
|
Waremkfeerang
|
58 W/(m · K)
|
Cheemisk [2]
|
Oksidatsionstustant
|
−1, +1
|
Oksiiden
|
Rb2O
|
Sür of baasisk
|
stark baasisk
|
Normoolpotentiaal
|
−2,924 V (Rb+ + e− → Rb)
|
Elektronegatiwiteet
|
0,82 (Pauling-Skala)
|
Isotoopen
|
Isotoop
|
NH
|
t1/2
|
Aktiwiteet
|
Energii (MeV)
|
Produkt
| 83Rb |
{syn.}
| 86,2 d | ε | 0,910 | 83Kr |
84Rb |
{syn.}
| 32,77 d | ε | 2,681 | 84Kr | β− | 0,894 | 84Sr |
85Rb |
72,168 %
|
stabiil |
86Rb |
{syn.}
| 18,631 d | β− | 1,775 | 86Sr |
87Rb |
27,835 %
| 4,81 · 1010 a.[9] | β− | 0,283 | 87Sr |
88Rb |
{syn.}
| 17,78 min | β− | 5,316 | 88Sr |
89Rb |
{syn.}
| 15,15 min | β− | 4,501 | 89Sr |
|
Muar isotoopen bi List faan isotoopen
|
NMR-Eegenskapen
|
|
Seekerhaid
|
|
Miast wurd SI-ianhaiden brükt.
|
Rubiidium (faan latiinsk rubidus ‚ruad‘) as en cheemisk element mä det ufkörtang Rb an det atoomnumer 37. Hat as en alkaalimetal.
-
SIMS-spektrum faan a
isotoopen
-
Elektroonenskel
-
Rian rubiidium
-
Rubiidium ferbraant ruad
- ↑ 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 (Rubidium) .
- ↑ 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. In: 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. Uun: Journal of Chemical & Engineering Data. 56, 2011, S. 328–337, doi:10.1021/je1011086.
- ↑ Decay Radiation Results. Uun: Chart of Nuclides database. National Nuclear Data Center, ufrepen di 24. Janewoore 2012.
- ↑ 10,0 10,1 Iindraanj tu Rubidium uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 30. April 2017 (mä JavaScript).