Cerium
Atomic number:
58
Atomic weight:
140.115
Shells:
2,8,18,18,8,2
Orbitals:
[Xe] 4f1 5d1 6s2
Melting point:
798°C
Boiling point:
3433°C
Covalent radius:
1.65
Å
Atomic volume:
20.67
cm³/mol
Atomic radius:
2.70
Å
Ionic radius:
1.14 (+3)
Å
Electronegativity:
1.12
Oxidation states:
(3),4
1st ionization pot.:
5.5387
V
2nd ionization pot.:
10.851
V
3rd ionization pot.:
20.20
V
Specific heat:
0.19
J/gK
Heat of fusion:
5.460
kJ/mol
Heat of vapor.:
414.0
kJ/mol
Thermal conduct.:
0.114
W/cmK
Electrical conduct.:
0.0115
10^6/cm ohm
Density:
6.78
g/cm³
Valence:
3,4
