Cerium Ce
Electron 1 Electron 2 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 14 Electron 15 Electron 16 Electron 17 Electron 18 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 14 Electron 15 Electron 16 Electron 17 Electron 18 Electron 19 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 1 Electron 2
Cerium is a chemical element with symbol Ce and atomic number 58. It is a soft, silvery, ductile metal which easily oxidizes in air. Cerium was named after the dwarf planet Ceres (itself named after the Roman goddess of agriculture).
58
Atomic Number
140.12 u
Atomic Mass
1071.15 K
Melting Point
3716 K
Boiling Point
6.77 g/cm³
Density
2.7 Å
Atomic Radius
2.04 Å
Covalent Radius
1.12
Electronegativity
5.54 eV
First Ionization Energy
55
Electron Affinity
6
Number of Shells
2, 8, 18, 19, 9, 2
Electron Shell Occupations
0.19 J/g
Specific Heat
