Pd - Palladium


Atomic Number: 46
Atomic Weight: 106.42
Element Type: Transition Metal
Crystal Structure: Cubic Face Centered
Melting Point: 1554.9°C = 2830.82°F = 1828.05 K
Boiling Point: 2963.0°C = 5365.4°F = 3236.15 K
Critical Temp: °C = °F = K
Atomic Radius: 1.79 Å (Å = Angstrom = 10-10 m)
Covalent Radius: 1.28 Å
Electronegativity: 2.2


Palladium was named after the asteroid Pallas, which was discovered at about the sametime. Pallas was the Greek goddess of wisdom.


Discovered in 1803 by Wollaston, Palladium is found with platinum and other metals ofthe platinum group in placer deposits of Russia, South America, North America, Ethiopia,and Australia. It is also found associated with the nickel-copper deposits of South Africaand Ontario. Palladium's separation from the platinum metals depends upon the type of orein which it is found.

Science Quote

'You cannot hope to build a better world without improving the individuals. To that end each of us must work for his own improvement, and at the same time share a general responsibility for all humanity, our particular duty being to aid those to whom we think we can be most useful.'

Marie Curie

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