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Re - Rhenium (75/186.2)
Material List
Ir,Re,Rh
(2)
Mg,Ag,Re,X
(3)
Mo,Re
(6)
Nb,Re
(2)
Ni,Re
(5)
Re
(17)
Re,W
(27)
W,Re
(27)
8
material,
89
document(s) are retrieved.
Naturally occurring isotopes:
187 185
Density:
21.04 (293.15K)
g/cm
3
Melting point:
3180
o
C
Boiling point:
5627
o
C
Latent heat of fusion:
177.6
J/g
Specific heat:
0.137
J/g/K (at room temp.)
Coefficient of lineal thermal expansion:
6.70E-06
cm/cm/K (at room temp.)
Thermal conductivity:
4.80E-01
W/cm/K (at room temp.)
Electrical resistivity:
1.93E-05
hm-cm (at room temp.)
lonization potential (1st):
7.88
eV
Electronic work function Φ:
4.96
Oxidation potentials:
Re + 2H
2
O → ReO
2
+ 4H
+
+ 4e = -0.2513
V
Chemical valence:
0 1 2 3 4 5 6 7
Electrochemical equivalents:
0.9924
g/amp-hr
lonic radius:
0.56
angstrom
Valence electron potential:
180
-eV
Principal quantum number:
6
Principal electron shells:
K L M N O P
Electronic configuration:
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d5 6s2
Valence electrons:
5d5 6s2
Crystal form:
HCP
Half life:
Cross section σ:
85 ± 5
barns
Vapor pressure:
3.24E+01
Pa (at melting point)
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