Cesium
Atomic number:
55
Atomic weight:
132.90543
Shells:
2,8,18,18,8,1
Orbitals:
[Xe] 6s1
Melting point:
28.4°C
Boiling point:
669.3°C
Covalent radius:
2.35
Å
Atomic volume:
71.07
cm³/mol
Atomic radius:
3.34
Å
Ionic radius:
1.74 (+1)
Å
Electronegativity:
0.79
Oxidation states:
1st ionization pot.:
3.8939
V
2nd ionization pot.:
25.10
V
3rd ionization pot.:
--
V
Specific heat:
0.24
J/gK
Heat of fusion:
2.092
kJ/mol
Heat of vapor.:
67.740
kJ/mol
Thermal conduct.:
0.359
W/cmK
Electrical conduct.:
0.0489
10^6/cm ohm
Density:
1.873
g/cm³
Valence:
1