Period 5 element and because of its rarity, rhodium is usually alloyed with platinum or palladium and applied in high-temperature and corrosion-resistive coatings. White gold is often plated with a thin rhodium layer to improve its optical impression while sterling silver is often rhodium plated for tarnish resistance. Rhodium detectors are used in nuclear reactors to measure the neutron flux level. 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
HMS Athene HMS Athene HMS "Athene" was a Royal Navy aircraft transport. She was a merchant conversion, requisitioned by the Navy during the Second World War and returned after its end. She is the only ship of the Royal Navy to be named after the Greek goddess Athene. She was broken up in 1963. She was originally built as the "Clan Brodie", for the Clan Line at the yards of the Greenock & Grangemouth Dockyard Company Greenock, Scotland. The Navy requisitioned her and she was launched on 1 October 1940 as the aircraft transport HMS "Athene". "Athene" received a single catapult, and