Home 46 Pd Palladium back to the periodic table

 
Atomic number   46
Symbol   Pd
Atomic weight   106.42
Density [g/cm3]   12.02
Melting point [°C]   1554
Boiling point [°C]   3140
1st Ionization energy [eV]   8.34
Electronic configuration   [Kr] 4d10
Oxidation number (most stable)   4, 2, 0
Atomic radius [pm]   137.6
Ionic radius [pm]   86 (2+)
Abundance in crustal rocks [ppm]   0.015
Origin of the name   named after the asteorid Pallas, which was discovered at about the same time
Discovery   1803 by Wollaston
Uses   as alloying constituent in silver palladium dental alloys as well as catalyst. 

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