palladium-silver alloy
31Commemorative coins of the Soviet Union — Commemorative coins were released in the USSR between 1965 and 1991. Most of them were made of copper nickel alloy, but there were also silver coins, gold coins, palladium coins and platinum coins. All of the coins were minted either by the… …
32Zinc — This article is about the metallic element. For other uses, see Zinc (disambiguation). copper ← zinc → gallium ↑ Zn ↓ Cd …
33Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
34amalgam — /euh mal geuhm/, n. 1. an alloy of mercury with another metal or metals. 2. an alloy that consists chiefly of silver mixed with mercury and variable amounts of other metals and is used as a dental filling. 3. a rare mineral, an alloy of silver… …
35electrum — /i lek treuhm/, n. 1. an amber colored alloy of gold and silver used in ancient times. 2. an alloy composed of about 50 percent copper, 30 percent nickel, and 20 percent zinc. 3. German silver; nickel silver. [1350 1400; ME < L < Gk élektron… …
36Iron Man's armor — refers to the powered metal suit worn by Tony Stark when he assumes his superhero role of Iron Man. The first version of the armor was created by Stark with the help of Ho Yinsen. Unlike most other superheroes, the appearance of Stark s armor has …
37Niobium — zirconium ← niobium → molybdenum V ↑ Nb ↓ Ta …
38Precious metal — A precious metal is a rare metallic chemical element of high economic value. Chemically, the precious metals are less reactive than most elements, have high luster, are softer or more ductile, and have higher melting points than other metals.… …
39Coinage metals — The coinage metals comprise, at minimum, those metallic chemical elements which have historically been used as components in alloys used to mint coins. The term is not perfectly defined, however, since a number of metals have been used to make… …
40Iridium — (pronEng|ɪˈrɪdiəm) is a chemical element that has the symbol Ir and atomic number 77. A very hard, brittle, silvery white transition metal of the platinum family, iridium is the second densest element and is the most corrosion resistant metal,… …
