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 ] 5s 1
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
Rb2 O
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
83 Rb
{syn.}
86,2 d ε 0,910 83 Kr
84 Rb
{syn.}
32,77 d ε 2,681 84 Kr β− 0,894 84 Sr
85 Rb
72,168 %
stabiil
86 Rb
{syn.}
18,631 d β− 1,775 86 Sr
87 Rb
27,835 %
4,81 · 1010 a .[ 9] β− 0,283 87 Sr
88 Rb
{syn.}
17,78 min β− 5,316 88 Sr
89 Rb
{syn.}
15,15 min β− 4,501 89 Sr
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) .