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
Data element data representation, a collection of data elements forms a data structure. In practice, data elements (fields, columns, attributes, etc.) are sometimes "over loaded", meaning a given data element will have multiple potential meanings. While a known bad practice, overloading is nevertheless a very real factor or barrier to understanding what a system is doing. Data element In metadata, the term data element is an atomic unit of data that has precise meaning or precise semantics. A data element has: Data elements usage can be discovered by inspection of software applications or application data files through a process of manual or