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Ar - Argon (18/39.948)
Material List
Ar
(2)
1
material,
2
document(s) are retrieved.
Naturally occurring isotopes:
40 36 38
Density:
1.65(40.15K), 1.784E-03(273.15K)
g/cm
3
Melting point:
-189.2
o
C
Boiling point:
-185.7
o
C
Latent heat of fusion:
29.45
J/g
Specific heat:
0.52032
J/g/K (at room temp.)
Coefficient of lineal thermal expansion:
cm/cm/K (at room temp.)
Thermal conductivity:
1.77E-01
W/cm/K (at room temp.)
Electrical resistivity:
hm-cm (at room temp.)
lonization potential (1st):
15.759
eV
Electronic work function Φ:
Oxidation potentials:
V
Chemical valence:
0
Electrochemical equivalents:
g/amp-hr
lonic radius:
angstrom
Valence electron potential:
-eV
Principal quantum number:
3
Principal electron shells:
K L M
Electronic configuration:
1s2 2s2 2p6 3s2 3p6
Valence electrons:
3s2 3p6
Crystal form:
FCC
Half life:
Cross section σ:
0.66
barns
Vapor pressure:
Pa (at melting point)
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