Home 82 Pb Lead back to the periodic table
 
Atomic number   82
Symbol   Pb
Atomic weight   207.2
Density [g/cm3]   11.34
Melting point [°C]   327.5
Boiling point [°C]   1740
1st Ionization energy [eV]   7.416
Electronic configuration   [Xe] 4f14 5d10  6s2 6p2
Oxidation number (most stable)   4, 2
Atomic radius [pm]   175
Ionic radius [pm]   118 (2+)
Abundance in crustal rocks [ppm]   13
Origin of the name   (lat.) plumbum = lead
Discovery   known since ancient times
Uses   essentially to the production of accumulators and as shielding material to x-rays.
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 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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