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Rb - Rubidium (37/85.4678)
Material List
Rb
(14)
Rb,Cs
(2)
RbAlSi2O6
(1)
RbBr
(2)
RbCl
(2)
RbD2AsO4
(4)
RbFeSi2O6
(1)
RbH2AsO4
(4)
RbI
(2)
9
material,
32
document(s) are retrieved.
Naturally occurring isotopes:
85 87
Density:
1.532 (293.15K)
g/cm
3
Melting point:
38.89
o
C
Boiling point:
686
o
C
Latent heat of fusion:
27.43
J/g
Specific heat:
0.3634
J/g/K (at room temp.)
Coefficient of lineal thermal expansion:
9.00E-05
cm/cm/K (at room temp.)
Thermal conductivity:
5.82E-01
W/cm/K (at room temp.)
Electrical resistivity:
1.28E-05
hm-cm (at room temp.)
lonization potential (1st):
4.177
eV
Electronic work function Φ:
2.16
Oxidation potentials:
Rb → Rb
+
+ e = 2.925
V
Chemical valence:
1
Electrochemical equivalents:
3.1888
g/amp-hr
lonic radius:
1.52
angstrom
Valence electron potential:
9.47
-eV
Principal quantum number:
5
Principal electron shells:
K L M N O
Electronic configuration:
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s1
Valence electrons:
5s1
Crystal form:
BCC
Half life:
Cross section σ:
0.5 ± 0.1
barns
Vapor pressure:
1.56E-04
Pa (at melting point)
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