Home 48 Cd Cadmium back to the periodic table
 
Atomic number   48
Symbol   Cd
Atomic weight   102.411
Density [g/cm3]   8.64
Melting point [°C]   320.9
Boiling point [°C]   765
1st Ionization energy [eV]   8.993
Electronic configuration   [Kr] 4d10 5s2
Oxidation number (most stable)   2
Atomic radius [pm]   148.9
Ionic radius [pm]   95 (2+)
Abundance in crustal rocks [ppm]   0.16
Origin of the name   (griech.) cadmeia = calamine (zinc carbonate)
Discovery   1817 by the German chemists Friedrich Stromeyer
Uses   to the colouring of plastics and as stabilizer (CdS) as well as in Ni-Cd batteries).
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 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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