1) Atomic number 45 2) Chemical element 3) Element discovered in 1803 4) Element number 45 5) Element with atomic number 45 6) Element with the symbol Rh 7) Hard, metallic element 8) Metal 9) Metal used in mirror coating 10) Metallic element 11) Platinum family element 12) Rare element in platinum ores
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Rhodium is a chemical element that is a rare, silvery-white, hard, and chemically inert transition metal and a member of the platinum group. It has the chemical symbol Rh and atomic number 45. It is composed of only one naturally-occurring isotope, 103Rh. Naturally occurring rhodium is usually found as the free metal, alloyed with similar metals, ...
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http://en.wikipedia.org/wiki/Rhodium
• (n.) A rare element of the light platinum group. It is found in platinum ores, and obtained free as a white inert metal which it is very difficult to fuse. Symbol Rh. Atomic weight 104.1. Specific gravity 12.
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Many Victorian silver or gold brooches have been 'modernised' -and ruined - by rhodium plating to make them look like platinum.
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(Rh), chemical element, one of the platinum metals of Group VIIIb of the periodic table, predominantly used as an alloying agent to harden platinum. ... [5 related articles]
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http://www.britannica.com/eb/a-z/r/44
(Rh) A moderately hard, silvery-white, metallic element belonging to the platinum group of transition elements. Rhodium was discovered by William Wollaston in London in 1803; its name comes from the Greek rhodon meaning 'rose.' It occurs associated with platinum and its chief so...
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<chemistry> A rare element of the light platinum group. It is found in platinum ores, and obtained free as a white inert metal which it is very difficult to fuse. Symbol Rh. Atomic weight 104.1. Specific gravity 12. ... Origin: NL, fr. Gr. 'rodon the rose. So called from the rose-red colour of certain of its solutions. See Rhododendron. ... S...
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(Rh) (ro´de-әm) a chemical element, atomic number 45, atomic weight 102.905.
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Rhodium is a white precious metal. Rhodium is extremely expensive and is often used to plate precious and base metals, giving jewelry a hard, platinum-like sheen.
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A hard, durable silvery-white metallic element which is used to form high-temperature alloys with platinum or plated onto other metals. Many Victorian silver or gold brooches have been 'modernised' -and ruined - by rhodium plating to make them look like platinum.
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Rho'di·um noun [ New Latin , from Greek
'ro`don the rose. So called from the rose-red color of certain of its solutions. See
Rhododendron .]
(Chemistry) A rare element of the light platinum group. It is found in platinum ores, and obtained free as a white inert metal which it is...
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A metal that is part of the platinum family. Silver, gold, and even base metals were often Rhodium plated during the 30's and 40's to give them the white, shiny look associated with platinum.
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(Rh) Type: Term Pronunciation: rō′dē-ŭm Definitions: 1. A metallic element, atomic no. 45, atomic wt. 102.90550.
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Rhodium is a metal element with the symbol Rh.
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[
n] - a white hard metallic element that is one of the platinum group and is found in platinum ores
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Chemical symbol Rh. A silver-white metal found in nickel deposits.
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Rhodium does not appear naturally, tending to be found with other platinum group metals. It is a hard, lustrous, silvery coloured metal which is stable in air. Rhodium is inert to all acids but is attacked by fused alkalis. The metal has high thermal and electrical conductivities and is alloyed with platinum to form the positive wire of a Pt/Rh - P...
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Rh noun a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum
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Hard, silver-white, metallic element, atomic number 45, relative atomic mass 102.905. It is one of the so-called platinum group metals and is resistant to tarnish, corrosion, and acid. It occurs as a free metal in the natural alloy osmiridium and is used in jewellery, electroplating, and thermocouples
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Is a silver like material that is usually more expensive than gold and is commonly used in plating of jewellery because of its tarnish resistant properties. In fact many fine silver pieces are finished with a fine coast of Rhodium to make it much more tarnish resistant.
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