Cerium, Ce
Index
Cerium is a rare earth metal with atomic number 58, an atomic weight of 140.12, and a density of 
6.67 Mg/m3. Its melting point is 795 C, and it boils at 3468 C.

The electronic configuration of Cesium is: 
(Xe)(4f 2)(5d0)(6s2). Its atomic radius is 0.181 nm.

At room temperature Cerium has a face-centered cubic crystal structure with a = 0.514 nm.

The linear coefficient of thermal expansion is 7.99 m/m/K and the thermal conductivity is 0.113 W/cm/K.