Atomic Properties
- Atomic Number
- 63
- Atomic Mass
- 151.9600 u
- Electron Configuration
- [Xe] 4f7 6s2
- Electronegativity
- 1.20
- Block
- f-block
- Group
- —
- Period
- 6
Physical Properties
- Phase (STP)
- solid
- Melting Point
- 1099.00 K
- Boiling Point
- 1802.00 K
- Density
- 5.2640 g/cm³
About Europium
Most reactive lanthanide; used in red phosphors for TVs and euro banknotes.
Isotopes of Europium
Europium has 2 naturally occurring isotopes.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 151Eu | 151 | 150.9198578 | 47.81% | Stable |
| 153Eu | 153 | 152.921238 | 52.19% | Stable |
Data source: NIH PubChem (aggregated from IUPAC, NIST)