64
Gd
Gadolinium
157.253
2
8
18
25
9
2
| Property | Value |
|---|
| Atoomnummer | 64 |
| Atoomgewicht | 157.253 amu |
| Element family | N/A |
| Elektronische configuratie | 1s22s22p63s23p63d104s24p64d105s25p66s25d14f7 |
| Stable and very long lived isotopes | 154Gd: 2.18%, 155Gd: 14.80%, 156Gd: 20.47%, 157Gd: 15.65%, 158Gd: 24.84%, 160Gd: 21.86% |
|
| Previous element | Europium |
| Next element | Terbium |
| Dichtheid |
7.895 g/cm3 (STP) |
| Smelten | 1312 °C |
| Kookpunt | 3233 °C |
| Covalente straal | 1.69 Å |
| Ionstraal | 0.938 Å |
| Metalic radius | 1.804 Å |
| Eerst ionisatiepotentiaal | 6.150 eV |
| Elektronenaffiniteit | 0.137 eV |
| Electronegativity | 1.2 |
| Discovery year | 1880 |
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