Cerium (Ce) — Element 58: Properties & Data | Aladdin Scientific
Cerium(Ce) — Element 58
Cerium (Ce) is a lanthanide with atomic number 58 and atomic mass 140.116. It has melting point 1071 K (798 °C), boiling point 3697 K (3424 °C), density 6.77 g/cm³. It sits in period 6 of the periodic table and was discovered in 1803.
Key facts
| Atomic mass | 140.1160 u |
|---|---|
| Electron configuration | [Xe]6s2 4f1 5d1 |
| Oxidation states | +4, +3 |
| Electronegativity (Pauling) | 1.12 |
| Atomic radius (van der Waals) | 235 pm |
| Ionization energy | 5.539 eV |
| Electron affinity | 0.5 eV |
| Melting point | 1071 K |
| Boiling point | 3697 K |
| Density | 6.77 g/cm³ |
| Standard state | Solid |
| Year discovered | 1803 |
Preguntas frecuentes
What is the electron configuration of cerium?
The ground-state electron configuration of cerium is [Xe]6s2 4f1 5d1.
What group and period is cerium in?
Cerium (Ce) is in period 6 (lanthanide series) of the periodic table, classified as a lanthanide.
What is the melting point of cerium?
Cerium melts at 1071 K (798 °C).
What is the standard state of cerium?
Cerium is a solid at standard temperature and pressure.
Related elements
Sobre estos datos: 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: .