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palladiu.asc
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1992-07-22
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683b
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18 lines
PALLADIUM
Atomic symbol - Pd
Atomic weight - 106.42
Atomic number - 46
Electron configuration - 2-8-18-18-0
Oxidation states - +2, +4
State of matter - solid
Heavy metal-ductile
Discovered in 1803 by William Hyde Wollaston
Boils at 2927 °C, melts at 1552 °C
Notes:
Palladium is the lightest and has the lowest melting point of all of the
platinum metals of transition Group VIII of the periodic table. A use is of a
catalyst. It is a precious gray-white metal that is extremely ductile. Small
amounts of palladium alloyed with gold produce the best white gold. Its chief
use is for electrical contacts on telephone equiptment.