Home 58 Ce Cerium back to the periodic table

Atomic number   58
Symbol   Ce
Atomic weight   140.115
Density [g/cm3]   6.77
Melting point [°C]   798
Boiling point [°C]   3470
1st Ionization energy [eV]   5.47
Electronic configuration   [Xe] 4f2 6s2
Oxidation number (most stable)   4, 3
Atomic radius [pm]   182.5
Ionic radius [pm]   101 (3+)
Abundance in crustal rocks [ppm]   66
Origin of the name   (lat.) Ceres = named after the asteorid, which was discovered 2 years before the element.
Discovery   1803 by the Swedes Hisinger and Berzelius and independently by the German Klaproth
Uses   for the colouring of glass and enamel as well as in alloys of materials of the reactor engineering.

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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