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Ho - Holmium (67/164.93)
Material List
(Lu,Ho,Rh)B4
(2)
Ho
(24)
Ho,Sb
(2)
Ho,Tb
(8)
Ho2O3
(2)
HoAl2
(1)
HoB12
(2)
HoRh4B4
(2)
HoZn2
(4)
9
material,
47
document(s) are retrieved.
Naturally occurring isotopes:
165
Density:
8.795 (298.15K)
g/cm
3
Melting point:
1474
o
C
Boiling point:
2695
o
C
Latent heat of fusion:
104.1
J/g
Specific heat:
0.165
J/g/K (at room temp.)
Coefficient of lineal thermal expansion:
9.50E-06
cm/cm/K (at room temp.)
Thermal conductivity:
1.62E-01
W/cm/K (at room temp.)
Electrical resistivity:
8.70E-05
hm-cm (at room temp.)
lonization potential (1st):
6.02
eV
Electronic work function Φ:
Oxidation potentials:
Ho → Ho
3+
+ 3e = 2.319
V
Chemical valence:
3
Electrochemical equivalents:
2.0512
g/amp-hr
lonic radius:
0.901 (Ho3+)
angstrom
Valence electron potential:
47.9
-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 4f11 5s2 5p6 6s2
Valence electrons:
4f11 6s2
Crystal form:
HCP
Half life:
Cross section σ:
65 ± 2
barns
Vapor pressure:
Pa (at melting point)
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