58Ce140.12
Cerium
Lanthanide · element 58 · f-block (shown below the main table)
Quick facts
| Symbol | Ce |
|---|---|
| Atomic number | 58 |
| Relative atomic mass | 140.12 |
| Category | Lanthanide |
| Position | f-block (shown below the main table) |
| State at 20 °C | Solid |
| Melting point | 795 °C |
| Boiling point | 3,443 °C |
| Density | 6.77 g/cm³ |
| Electronegativity | 1.12 |
| Electron configuration | [Xe] 4f1 5d1 6s2 |
About Cerium
Cerium has the symbol Ce and atomic number 58, which means every cerium atom has 58 protons in its nucleus and, in a neutral atom, 58 electrons. At room temperature it is a solid.
Lanthanides are the first row of the f-block. Many are used in strong magnets, screens and lasers.
It melts at 795 °C and boils at 3,443 °C.
Explore it
See where cerium sits, and drag the temperature slider to watch it melt and boil, on the interactive periodic table. Practise with quizzes on OmniEx.