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Tl - Thallium (81/204.37)
Material List
Bi,Tl
(4)
In,Tl
(4)
NaTl
(2)
Sn,Tl
(4)
Tl
(14)
TlBr
(2)
6
material,
30
document(s) are retrieved.
Naturally occurring isotopes:
205 203
Density:
11.85 (293.15K)
g/cm
3
Melting point:
303.5
o
C
Boiling point:
1457 ± 10
o
C
Latent heat of fusion:
20.9
J/g
Specific heat:
0.129
J/g/K (at room temp.)
Coefficient of lineal thermal expansion:
2.80E-05
cm/cm/K (at room temp.)
Thermal conductivity:
4.61E-01
W/cm/K (at room temp.)
Electrical resistivity:
1.80E-05
hm-cm (at room temp.)
lonization potential (1st):
6.108
eV
Electronic work function Φ:
3.84
Oxidation potentials:
Tl → Tl
+
+ e = 0.3363, Tl
+
→ Tl
3+
+ 2e = -1.25
V
Chemical valence:
1 3
Electrochemical equivalents:
7.625
g/amp-hr
lonic radius:
1.5
angstrom
Valence electron potential:
9.6
-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 5d10 6s2 6p1
Valence electrons:
6s2 6p1
Crystal form:
HCP
Half life:
Cross section σ:
3.4 ± 0.5
barns
Vapor pressure:
5.33E-06
Pa (at melting point)
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