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At - Astatine (85/209.987)
Material List
Currently compound materials are not available.
Naturally occurring isotopes:
None
Density:
g/cm
3
Melting point:
302
o
C
Boiling point:
337 (est)
o
C
Latent heat of fusion:
114
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):
9.65
eV
Electronic work function Φ:
Oxidation potentials:
2At
-
→ At
2
+ 2e = -0.2
V
Chemical valence:
1 3 5 7
Electrochemical equivalents:
7.8346
g/amp-hr
lonic radius:
angstrom
Valence electron potential:
-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 6p5
Valence electrons:
6s2 6p5
Crystal form:
Half life:
Cross section σ:
barns
Vapor pressure:
Pa (at melting point)
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