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Cerium (Ce)
Atomic number: 58 · Category: lanthanide · Group 3 · Period 6 · Phase: Solid
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).
Atomic mass: 140.1161
Density: 6.77
Melting point: 1068 K
Boiling point: 3716 K
Appearance: silvery white
Source: Wikipedia
Block: f
Molar heat: 26.94
CPK color:#ffffc7
Electronic structure
Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 5d1 4f1
Configuration (semantic): [Xe] 4f1 5d1 6s2
Shells: 2, 8, 18, 19, 9, 2
Electronegativity (Pauling): 1.12
Electron affinity: 55
Ionization energies: 534.4, 1050, 1949, 3547, 6325, 7490
Periodic position
Group: 3
Period: 6
xpos: 4
ypos: 9
Spectral/Bohr images
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3D Model