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Sm - Samarium (62/150.4)
Material List
(Ce,Sm)B6
(6)
(U,Sm)O2
(12)
Sm
(9)
Sm,Dy
(1)
SmAg3
(3)
SmB6
(2)
SmS
(9)
SmSb
(1)
8
material,
43
document(s) are retrieved.
Naturally occurring isotopes:
152 154 147 149 148 150 144
Density:
7.520 (298.15K)
g/cm
3
Melting point:
1077
o
C
Boiling point:
1791
o
C
Latent heat of fusion:
73.8
J/g
Specific heat:
0.196
J/g/K (at room temp.)
Coefficient of lineal thermal expansion:
cm/cm/K (at room temp.)
Thermal conductivity:
1.33E-01
W/cm/K (at room temp.)
Electrical resistivity:
8.80E-05
hm-cm (at room temp.)
lonization potential (1st):
5.63
eV
Electronic work function Φ:
2.7
Oxidation potentials:
Sm → Sm
3+
+ 3e = 2.414
V
Chemical valence:
2 3
Electrochemical equivalents:
1.87
g/amp-hr
lonic radius:
0.964
angstrom
Valence electron potential:
44.8
-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 4f6 5s2 5p6 6s2
Valence electrons:
4f6 6s2
Crystal form:
Rhombohedral
Half life:
Cross section σ:
5820 ± 100
barns
Vapor pressure:
5.63E+02
Pa (at melting point)
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