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
Kirk (placename element) Kirk (placename element) Kirk is found as an element in many place names in Scotland, England, and North America. It is derived from "kirk", meaning "church". In Scotland, it is sometimes an English translation from a Scots Gaelic form involving "cille" or "eaglais", both words for 'church'. Rarely it is found in Anglicisations of Continental European placenames which originally had Dutch "kerk" or a related form. Kirk by itself is the name of two places: More usually it is an element in a compound name. The remainder of this article is a list of some of these. In Scotland In