Cerium (Ce)

Cerium is the most abundant rare earth element and is used in catalytic converters and self-cleaning ovens.

Ferrocerium rod struck by steel, erupting in a cascade of brilliant white-hot sparks
Video: Ferrocerium rod struck by steel, erupting in a cascade of brilliant white-hot sparks

Properties of Cerium

Atomic number
58
Category
Lanthanide
Atomic mass
140.12 u
Electron configuration
[Xe] 4f¹ 5d¹ 6s²
Melting point
1068 K (794.85 °C)
Boiling point
3716 K (3442.85 °C)
Density
6.77 g/cm³
Electronegativity (Pauling)
1.12
Appearance
Silvery-white metal
Discovered by
Martin Heinrich Klaproth (1803)

Facts about Cerium

  • Cerium is named after the dwarf planet Ceres!
  • Cerium is used in self-cleaning ovens to break down grease!
  • Cerium sparks when struck — it's used in lighter flints!
  • Cerium is the most abundant of all the rare earth elements!

Cerium videos

Back to the periodic table · Cerium on Wikipedia