Palladium is a chemical element with the chemical symbol Pd and an atomic number of
46. It is a rare and lustrous silvery-white metal discovered in 1803 by William Hyde Wollaston. He named it after
the asteroid Pallas, which was
itself named after the epithet of the Greek goddess Athena, acquired by her
when she slew Pallas. Palladium,platinum, rhodium, ruthenium, iridium and osmium form...
