Europium (Eu) — Element 63: Properties & Data | Aladdin Scientific
Europium(Eu) — Element 63
Europium (Eu) is a lanthanide with atomic number 63 and atomic mass 151.964. It has melting point 1095 K (822 °C), boiling point 1802 K (1529 °C), density 5.24 g/cm³. It sits in period 6 of the periodic table and was discovered in 1901.
Key facts
| Atomic mass | 151.9640 u |
|---|---|
| Electron configuration | [Xe]6s2 4f7 |
| Oxidation states | +3, +2 |
| Atomic radius (van der Waals) | 233 pm |
| Ionization energy | 5.67 eV |
| Melting point | 1095 K |
| Boiling point | 1802 K |
| Density | 5.24 g/cm³ |
| Standard state | Solid |
| Year discovered | 1901 |
Frequently asked questions
What is the electron configuration of europium?
The ground-state electron configuration of europium is [Xe]6s2 4f7.
What group and period is europium in?
Europium (Eu) is in period 6 (lanthanide series) of the periodic table, classified as a lanthanide.
What is the melting point of europium?
Europium melts at 1095 K (822 °C).
What is the standard state of europium?
Europium is a solid at standard temperature and pressure.
Related elements
About this data: property values compiled from IUPAC Standard Atomic Weights (2021), the NIST Atomic Spectra Database, and PubChem. Curated by the Aladdin Scientific technical team. Last reviewed: .