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   Is rhodium a metal?

   • face-centered cubic (fcc) (cF4) Rhodium is a chemical element; it has symbol Rh and atomic number 45. It is a very rare, silvery-white, hard, corrosion-resistant transition metal. It is a noble metal and a member of the platinum group. It has only one naturally occurring isotope, which is 103 Rh.

   Rhodium - Wikipedia

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   Is rhodium corroded?

   • Rhodium is a precious, silver-white metal, with a high reflectivity for light. It is not corroded or tarnished by the atmosphere at room temperature and is frequently electroplated onto metal objects and polished to give permanent, attractive surfaces for jewelry and other decorative articles.

   Rhodium | Definition, Properties, Uses, & Facts | Britannica

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   Is rhodium a group 9 element?

   • Rhodium is a group 9 element. (cobalt group) Rhodium is found in platinum or nickel ores with the other members of the platinum group metals. It was discovered in 1803 by William Hyde Wollaston in one such ore, and named for the rose color of one of its chlorine compounds.

   Rhodium - Wikipedia

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   Where does rhodium come from?

   • Rhodium occurs in nature in association with the other platinum metals, and its separation and refinement form part of the overall metallurgical processing of the group. Rhodium is generally obtained commercially as a by-product of the extraction of nickel and copper from their ores. Natural rhodium consists entirely of stable isotope rhodium-103.

   Rhodium | Definition, Properties, Uses, & Facts | Britannica

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   What oxidation state is rhodium in?

   • In these catalysts, rhodium is often in the oxidation state plus one or plus three. It would have been cheaper to buy silver-shiny rhodium metal instead. However, this would have been impractical as this noble platinum-group element is one of the least reactive metals of the periodic table.

   Rhodium - Element information, properties and uses | Periodic Table

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   Is rhodium a rare element?

   • Rhodium is a rare element comprising up to 4.6 percent of native platinum alloys. It also occurs in native alloys of iridium and osmium: up to at least 11.25 percent in iridosmine and up to at least 4.5 percent in siserskite.

   Rhodium | Definition, Properties, Uses, & Facts | Britannica

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2. en.wikipedia.org › wiki › RhodiumRhodium - Wikipedia

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   It is a noble metal and a member of the platinum group. It has only one naturally occurring isotope, which is 103 Rh. Naturally occurring rhodium is usually found as a free metal or as an alloy with similar metals and rarely as a chemical compound in minerals such as bowieite and rhodplumsite.

3. science.howstuffworks.com › rhodiumRhodium: Earth's Rarest and Most Expensive Precious Metal

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   Sep 29, 2023 · Discovered in the early 1800s from a chunk of smuggled platinum ore, rhodium is the most valuable precious metal on the planet today, used mainly for keeping car emissions in check.

4. www.britannica.com › science › rhodiumRhodium | Definition, Properties, Uses, & Facts | Britannica

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   Oct 9, 2024 · Rhodium, chemical element, one of the platinum metals of Groups 8–10 (VIIIb), Periods 5 and 6, of the periodic table, predominantly used as an alloying agent to harden platinum. Rhodium is a precious, silver-white metal, with a high reflectivity for light.

   • Author: The Editors of Encyclopaedia Britannica

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6. www.rsc.org › periodic-table › elementRhodium - Element information, properties and uses | Periodic ...

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   First of all, my rhodium atoms were in oxidation state three, thus requiring three chloride ions for every metal ion, and then, of course, there is the royal colour. However, the differences are much more profound as the chemistry of rhodium is much more diverse than that of sodium.

   • Discovered by: William Hyde Wollaston

   • Discovery date: 1803

7. www.livescience.com › 36988-rhodiumFacts About Rhodium - Live Science

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   Mar 13, 2018 · Rhodium is a silver-white metallic element that is highly reflective and resistant to corrosion. It is considered the rarest and most valuable precious metal in the world — well above...

   • Author: Traci Pedersen

8. chemistrycool.com › element › rhodiumComprehensive Guide to Rhodium: Properties, Uses, and ...

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   Rhodium is a rare and precious element with the atomic number 45, belonging to the platinum group of metals. It is known for its brilliance and resistance to oxidation. Often used in catalytic converters, Rhodium plays a crucial role in reducing harmful emissions from automobiles.

9. www.thoughtco.com › metal-profile-rhodium-2340151Learn About Rhodium, a Rare Platinum Group Metal - ThoughtCo

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   Jun 25, 2019 · Rhodium is a hard, silver-colored metal that is very stable and has a high melting point. Rhodium metal is resistant to corrosion and, as a PGM, it shares the group’s exceptional catalytic properties.