63
Eu
Europium
151.9641
2
8
18
25
8
2
Property | Value |
Atoomnummer | 63 |
Atoomgewicht | 151.9641 amu |
Element family | N/A |
Elektronische configuratie | 1s22s22p63s23p63d104s24p64d105s25p66s24f7 |
Stable and very long lived isotopes | 151Eu: 47.8%, 153Eu: 52.2% |
|
Previous element | Samarium |
Next element | Gadolinium |
Dichtheid |
5.243 g/cm3 (STP) |
Smelten | 822 °C |
Kookpunt | 1597 °C |
Covalente straal | 1.68 Å |
Ionstraal | 0.947 Å |
Metalic radius | 1.804 Å |
Eerst ionisatiepotentiaal | 5.670 eV |
Elektronenaffiniteit | 0.116 eV |
Electronegativity | 1.2 |
Discovery year | 1896 |
Geef ons feedback over uw ervaring met de chemische formule balancer.