Europium — Eu
The chemical element Europium is an element of type Metal lanthanides with the symbol Eu. It has an atomic mass of 151.964 u and an electronic configuration of [Xe] 4f7 6s2.
Synthétique
Radioactif
Liquide
Gaz
1597°
3
8
18
25
8
2
- Atomic number
- 63
- Atomic mass
- 151.964
- Symbol
- Eu
- Melting point
- 822
- Boiling point
- 1597
- Density
- 5.243
- Period
- 6
- Group
- 0
- Discovery
- 1901 Demarcay
- Abundance
- 2
- Radius
- 2.6
- Electronegativity
- 1.2
- Ionization
- 5.6704
- Isotope
- 21
- Electronic configuration
- [Xe] 4f7 6s2
- Oxidation state
- 2,3
- Electron
- 2,8,18,25,8,2
Minerals containing Europium
| first name | Hardness | Density | Chemical formula |
|---|---|---|---|
| Agardite-(Ce) | — | 3.72 | Cu2+6Ce(AsO4)3(OH)6·3H2O |
| Arapovite | — | 3.43 | (K1-xx)(Ca,Na)2U4+Si8O20 (x~0.5) |
| Bussyite-(Ce) | — | 3.00 | (Na,H2O)6(Ce,REE)3Be5MnSi9(O,OH)30F4 |