Home 71 Lu Lutetium back to the periodic table
 
Atomic number   71
Symbol   Lu
Atomic weight   174.967
Density [g/cm3]   9.84
Melting point [°C]   1656
Boiling point [°C]   3330
1st Ionization energy [eV]   5.426
Electronic configuration   [Xe] 4f14 5d 6s2
Oxidation number (most stable)   3
Atomic radius [pm]   173.4
Ionic radius [pm]   86 (3+)
Abundance in crustal rocks [ppm]   ---
Origin of the name   (lat.) Lutetia = Paris
Discovery   1907 by Urbain and independently by Auer von Welsbach
Uses   no technical significance.
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 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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