Symbol Ce Atomic radius: pm 183 Fusion: kJ/Mole 5.46
Name Cerium Ionic radius: pm (+3)114 Boiling point: °C 3443
Atomic number 58 Electron affinity - Melting point: °C 798
Atomic weight 140.1 1st  ion potential 5.54 Specific Heat Cap: J/(g K) 0.19
Classification Trans metal Natural form Solid Thermal Cond: W/(cm K) 0.11
Configuration [Xe]4f15d16s2 Crystal structure FCC Electrical Cond 0.0115
Oxidation states 3,4 Density 6.77 Abundance: mg/kg-crust 66.5
Electronegativity 1.12 Vaporization: kJ/Mole 314.0    
Cerium was discovered in 1803 by Jöns Jacob Berzelius and Wilhelm Hisinger working together.  It was also discovered independently by Martin Klaproth at the same time. Uses - self-cleaning ovens, heat-resistant alloys, manufacture of glass, catalyst in petroleum refining