Rubiidium

Rubiidium (faan latiinsk rubidus ‚ruad‘) as en cheemisk element mä det ufkörtang Rb an det atoomnumer 37. Hat as en alkaalimetal.

Tekst üüb Öömrang

Eegenskapen

[Kr] 5s¹

37

Rb

Periodensüsteem . . . . Klike üüb son letjen blook för en ööder element

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 [6]

Tustant

fest

Kristal

kuubisk

Sachthaid

1,532 g/cm³ (20 °C)[7]

Hardhaid

0,3

Magnetismus

paramagneetisk (Χ_m = 3,8 · 10⁻⁶)[8]

Smoltponkt

312,46 K (39,31 °C)

Köögponkt

961,2 K[9] K (688 °C)

Molaar Rüm

55,76 · 10⁻⁶ m³/mol

Dampwaremk

69 kJ/mol[9] 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 [10]

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	t_1/2	Aktiwiteet	Energii (MeV)	Produkt
⁸³Rb	{syn.}	86,2 d	ε	0,910	⁸³Kr
⁸⁴Rb	{syn.}	32,77 d	ε	2,681	⁸⁴Kr
⁸⁴Rb	{syn.}	32,77 d	β⁻	0,894	⁸⁴Sr
⁸⁵Rb	72,168 %	stabiil
⁸⁶Rb	{syn.}	18,631 d	β⁻	1,775	⁸⁶Sr
⁸⁷Rb	27,835 %	4,81 · 10¹⁰ a.[11]	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

	Spin (I)	γ uun rad·T⁻¹·s⁻¹	E_r(¹H)	f_L bi B = 4,7 T uun MHz
⁸⁵Rb	5/2	2,583 · 10⁷	0,0105	19,3
⁸⁷Rb	3/2	8,753 · 10⁷	0,175	65,4

Seekerhaid

GHS-Kääntiaken [12]

Üübpaase

H- an P-wäärnang

H: 260-314

EUH: 014

P: 223-231+232-280-305+351+338-370+378-422 [12]

EU-Gefoorentiaken

ei bekäänd

R- an S-wäärnang

R: ?

S: ?

Miast wurd SI-ianhaiden brükt.

Bilen

SIMS-spektrum faan a isotoopen
Elektroonenskel
Rian rubiidium
Rubiidium ferbraant ruad

Luke uk diar

Commonskategorii: Rubiidium – Saamlang faan bilen of filmer

Kwelen

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.
A taalen för't infobox kem miast faan www.webelements.com (Rubidium) .
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.
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.
A taalen för't infobox kem miast faan www.webelements.com (Rubidium) .
Decay Radiation Results. Uun: Chart of Nuclides database. National Nuclear Data Center, ufrepen di 24. Janewoore 2012.
Iindraanj tu Rubidium uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 30. April 2017 (mä JavaScript).

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[Harry_H._Binder-1] Harry H. Binder: Lexikon der chemischen Elemente. S. Hirzel Verlag, Stuttgart 1999, ISBN 3-7776-0736-3.

[2] A taalen för't infobox kem miast faan www.webelements.com (Rubidium) .

[CIAAW-3] CIAAW, Standard Atomic Weights Revised 2013.

[4] 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.

[5] 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.

[6] A taalen för't infobox kem miast faan www.webelements.com (Rubidium) .

[Greenwood-7] N. N. Greenwood, A. Earnshaw: Chemie der Elemente. 1. aplaag. VCH, Weinheim 1988, ISBN 3-527-26169-9, S. 97.

[8] 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.

[Zhang-9] 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.

[10] A taalen för't infobox kem miast faan www.webelements.com (Rubidium) .

[11] Decay Radiation Results. Uun: Chart of Nuclides database. National Nuclear Data Center, ufrepen di 24. Janewoore 2012.

[GESTIS-12] Iindraanj tu Rubidium uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 30. April 2017 (mä JavaScript).