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As of 2020, the most expensive non- synthetic element by both mass and volume is rhodium. It is followed by caesium, iridium and palladium by mass and iridium, gold and platinum by volume. Carbon in the form of diamond can be more expensive than rhodium. Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars.
Rhodium, 45Rh. 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.
If the rhodium metal was then left for 20 years after fission, the 13.3 grams of rhodium metal would contain 1.3 kBq of 102 Rh and 500 kBq of 102m Rh. Rhodium has the highest price of these precious metals ($440,000/kg in 2022 [ 3 ] ), but the cost of the separation of the rhodium from the other metals needs to be considered [ editorializing ...
The best known precious metals are the coinage metals, which are gold and silver. Although both have industrial uses, they are better known for their uses in art, jewelry, and coinage. Other precious metals include the platinum group metals: ruthenium, rhodium, palladium, osmium, iridium, and platinum, of which platinum is the most widely ...
Gold for December delivery fell $25.40 to $2,444.40 per ounce. Silver for September delivery fell $1.18 to $27.21 per ounce, and September copper fell 10 cents to $4 per pound. The dollar fell to ...
Price of silver. Silver cost $4 per troy ounce in 1992, [67] started to rise rapidly in early 2004, [67] reached $18 per troy oz by late 2007, slipped badly to $10 per troy oz during the Credit Crunch of 2008, [67] but was selling in late 2009 and again in early 2010 at just under $18 per troy oz of metal. [67]
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