Cerium
Cerium, 58Ce
 |
| General properties |
| Name, symbol
|
cerium, Ce |
| Pronunciation |
|
| Appearance |
silvery white |
|
| Cerium in the periodic table
|
|
|
| Atomic number (Z) |
58 |
|
Group, block
|
group n/a, f-block
|
| Period |
period 6 |
| Element category |
lanthanide
|
|
Standard atomic weight (±) (Ar)
|
140.116(1) |
| Electron configuration |
[Xe] 4f1 5d1 6s2
|
|
Electrons per shell
|
2, 8, 18, 19, 9, 2 |
| Physical properties |
| Phase |
solid |
| Melting point |
1068 K (795 °C, 1463 °F) |
| Boiling point |
3716 K (3443 °C, 6229 °F) |
|
Density near r.t.
|
6.770 g/cm3
|
| when liquid, at m.p. |
6.55 g/cm3
|
| Heat of fusion |
5.46 kJ/mol
|
| Heat of vaporisation |
398 kJ/mol |
| Molar heat capacity |
26.94 J/(mol·K) |
Vapour pressure
|
P (Pa)
|
1 |
10 |
100 |
1 k |
10 k |
100 k |
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