Symbol
Ce
Atomic Number
58
Atomic Mass
140.116
Protons
58
Neutrons
82
Electrons
58
Type
Lanthanide
Isotopes
Cerium-140, Cerium-142, Cerium-143, Cerium-144, Cerium-145, Cerium-146, Cerium-147, Cerium-148, Cerium-149
Discovery Year
1803
Discovered By
Johan Gadolin
Group
3
Period
6
Boiling Point
3426°C
Melting Point
798°C
Electron Configuration
[Xe] 6s² 4f¹
Density (g/cm³)
6.77
Crystal Structure
Cubic
Magnetism
Paramagnetic
Abundance in Earth's Crust
0.0046%
Phase at Room Temperature
Solid