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  2. Noble metal - Wikipedia

    en.wikipedia.org/wiki/Noble_metal

    The expression noble metal is sometimes confined to copper, silver, and gold since their full d-subshells can contribute to their noble character. [14] There are also known to be significant contributions from how readily there is overlap of the d-electron states with the orbitals of other elements, particularly for gold. [ 15 ]

  3. Platinum group - Wikipedia

    en.wikipedia.org/wiki/Platinum_group

    The platinum-group metals (PGMs), also known as the platinoids, platinides, platidises, platinum group, platinum metals, platinum family or platinum-group elements (PGEs), are six noble, precious metallic elements clustered together in the periodic table. These elements are all transition metals in the d-block (groups 8, 9, and 10, periods 5 ...

  4. Category:Noble metals - Wikipedia

    en.wikipedia.org/wiki/Category:Noble_metals

    This page was last edited on 26 September 2014, at 21:26 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  5. Mueller Industries - Wikipedia

    en.wikipedia.org/wiki/Mueller_Industries

    Mueller Industries is an American manufacturing company that specializes in piping, industrial metals and climate machinery. It was founded in 1917 and is included on the Fortune 1000 list in 2022. The head office of the company is located in Memphis, Tennessee . [ 1 ]

  6. Precious metal - Wikipedia

    en.wikipedia.org/wiki/Precious_metal

    Other precious metals include the platinum group metals: ruthenium, rhodium, palladium, osmium, iridium, and platinum, of which platinum is the most widely traded. [1] The demand for precious metals is driven not only by their practical use but also by their role as investments and a store of value. Historically, precious metals have commanded ...

  7. Copperweld - Wikipedia

    en.wikipedia.org/wiki/Copperweld

    The bimetallic process moved beyond simple copper and steel, and eventually also combined metals and alloys such as aluminum, tin, brass, gold, nickel and silver. In 1974, the company's third foray into bimetallics was realized when the company opened a CCA wire manufacturing plant in Fayetteville, Tennessee. That division, Copperweld Southern ...

  8. Metal Museum - Wikipedia

    en.wikipedia.org/wiki/Metal_Museum

    The Metal Museum, formerly called the National Ornamental Metal Museum, is a museum in Memphis, Tennessee. Founded by artist-blacksmith James Wallace, the museum is devoted to exhibitions of metalwork and public programs featuring metalsmiths .

  9. Native metal - Wikipedia

    en.wikipedia.org/wiki/Native_metal

    Native metals were prehistoric man's only access to metal, since the process of extracting metals from their ores is thought to have been discovered around 6500 BC. However, native metals could be found only in impractically small amounts, so while copper and iron were known well before the Copper Age and Iron Age , they did not have a large ...

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