Palladium Palladium Palladium is a chemical element with symbol Pd and atomic number 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 a group of elements referred to as the platinum group metals (PGMs). These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. More than half the supply of palladium
USS Athene (AKA-22) Task Force 1, which was the atomic bomb test unit at Bikini Atoll. Following her return from Bikini, "Athene" was decommissioned at Pearl Harbor on 17 June 1946. Her name was struck from the Navy list on 1 August 1947, and the ship was transferred to the Maritime Commission on 23 September 1947. She was sold in 1960 to the Union Minerals and Alloy Corp., of New York City, and scrapped. Athene earned two battle stars for her World War II service. USS Athene (AKA-22) USS "Athene" (AKA-22) was an named after the minor planet "881 Athene," which in turn