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
The Museum of One Painting named after G. V. Myasnikov the archbishop Philaret offered to introduce the Icon of the Madonna of Kazan from the collection of the Penza eparchy. The museum building is considered to be an architectural monument of the 19th century. The Museum of One Painting named after G. V. Myasnikov The Museum of One Painting named after G. V. Myasnikov is a state museum, located in Penza, Russia. It is a unique museum, which does not have analogies anywhere in the world. Its peculiarity is that it does not have a permanent exposition and that it only shows one painting. The museum contains only one hall,