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REQUEST TO › periodic-table › elementScandium - Element information, properties and uses ...

Scandium is very much a late starter compared to many of the other elements, due to its relatively low occurrence and the difficulty in obtaining it from its ores. For example, it wasn't until the 1960s when the first pound, or 450 grams, of high purity scandium was obtained. Compounds of scandium find use in organic chemistry.  

REQUEST TO › science › scandiumScandium | chemical element | Britannica

scandium (Sc), chemical element, a rare-earth metal of Group 3 of the periodic table. Scandium is a silvery white, moderately soft metal. It is fairly stable in air but will slowly change its colour from silvery white to a yellowish appearance because of formation of Sc2O3 oxide on the surface. The metal slowly dissolves in diluted acids—except hydrofluoric acid (HF), in which a protective ...  

REQUEST TO › centers › national-mineralsRare Earths Statistics and Information | U.S. Geological Survey

The rare earths are a relatively abundant group of 17 elements composed of scandium, yttrium, and the lanthanides. The elements range in crustal abundance from cerium, the 25th most abundant element of the 78 common elements in the Earth's crust at 60 parts per million, to thulium and lutetium, the least abundant rare-earth elements at about 0. ...  

REQUEST TO › scandium › overviewScandium | Scandium International Mining Corporation

Scandium. Scandium is a soft, silvery metallic element. Its atomic number is 21, making it the lightest of the transition metals. Scandium is not particularly rare - its occurrence in crustal rocks is 22 around ppm. This makes scandium generally more abundant than lead, mercury, and precious metals. Despite this fairly common occurrence ...  

REQUEST TO › 29071-scandiumFacts About Scandium | Live Science

Sep 21, 2016 · Facts About Scandium. By Rachel Ross. published September 20, 2016. Scandium is a relatively soft, silver-white metal. (Image credit: Gibe/Creative Commons) Scandium is a silvery metal that is ...  

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