58
Ce
Cerium
140.116 | 2
8
18
19
9
2
|
58
Ce
Cerium
140.116 | 2
8
18
19
9
2
|
| General |
|---|
| Name | Cerium | | Symbol | Ce | | Number | 58 | | Chemical series | Lanthanides | | Group / Period | 0 / 6 | | Block | f-block | | CAS registry number | 7440-45-1 |
| Physical properties |
|---|
| State | solid | | Density | 6.770 g/cm3 | | Melting point | 1068 K (795 °C, 1463 °F) | | Boiling point | 3716 K (3443 °C, 6229 °F) | | Critical point | |
| Atomic properties |
|---|
| Atomic Weight | 140.116 g/mol | | Crystal structure | cubic face centered | | Electronegativity | 1.12 | | Atomic radius | 185 pm | | Atomic radius (calculated) | | | Electron configuration | [Xe] 4f1 5d1 6s2 | | Electrons per shell | 2, 8, 18, 19, 9, 2 | | Number of protons | 58 | | Number of neutrons | 82 |
|
Praseodymium