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
The Metropolitan Theatre it opened in 1897 as 'The Metropolitan Theatre'. The theatre eventually became a television studio, and was in use until it was demolished in 1964. The Metropolitan Theatre The Metropolitan Theatre was a West End music hall and theatre located at 267 Edgware Road, Paddington, London. The original building on this site, the 'White Lion Inn', dated from 1524. In 1836, this was rebuilt to become 'Turnham's Grand Concert Hall'. Rebuilding commenced again in 1862, at a cost of £25,000; this ended in 1864 with an increased capacity of 2000 and a new name of 'The Metropolitan Music Hall'. It