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Bk - Berkelium (97/247.07)
Material List
Currently compound materials are not available.
Naturally occurring isotopes:
None
Density:
14.78 (298.15K)
g/cm
3
Melting point:
986 ± 25
o
C
Boiling point:
o
C
Latent heat of fusion:
J/g
Specific heat:
J/g/K (at room temp.)
Coefficient of lineal thermal expansion:
cm/cm/K (at room temp.)
Thermal conductivity:
W/cm/K (at room temp.)
Electrical resistivity:
hm-cm (at room temp.)
lonization potential (1st):
6.23
eV
Electronic work function Φ:
Oxidation potentials:
Bk → Bk
3+
+ 3e = 1.97
V
Chemical valence:
3 4
Electrochemical equivalents:
3.0727
g/amp-hr
lonic radius:
0.949
angstrom
Valence electron potential:
45.5
-eV
Principal quantum number:
7
Principal electron shells:
K L M N O P Q
Electronic configuration:
1s2 2s2 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f8 6s2 6p6 6d1 7s2
Valence electrons:
5f8 6d1 7s2
Crystal form:
Hexagonal
Half life:
1.4E3 years
Cross section σ:
barns
Vapor pressure:
Pa (at melting point)
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