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(Elements & Compounds) a rare light silvery-white metallic element occurring in minute quantities in numerous minerals. Symbol: Sc; atomic no: 21; atomic wt: 44.955910; valency: 3; relative density: 2.989; melting pt: 1541°C; boiling pt: 2836°C ...
(symbolSc) a chemical element.Scandiumis a silver-white metal found in various minerals. Word Origin Questions about grammar and vocabulary? Find the answers withPractical English Usageonline, your indispensable guide to problems in English. ...
a white trivalent metallic element found in association with rare earth elements—symbol Sc see Chemical Elements Table scandium 例句 1.The U.S. is dependent on imports for the 35 substances it currently designates as critical minerals, including niobium, scandium and titanium. 2.Two Australian ...
Scandium Symbol Where Can it be Found in Nature It does not occur freely in nature, but associated with more than 800 minerals, commonly found in thortveitite, found in Scandinavia, from where it is extracted as a byproduct of uranium mill tailings. It is commercially obtained through electro...
- Scandium is a chemical element with the symbol Sc and atomic number 21. It is a silvery-white metallic d-block element. Historically, it has been classified...- Naturally occurring scandium (21Sc) is composed of one stable isotope, 45Sc. Twenty-seven radioisotopes have been characterized,...
Symbol: ScDate of discovery: 1878Name origin: Latin ScandiaAppearance: silverDiscoverer: Lars NilsonObtained from: thortveitite, wiikite Melting point: 1814 KBoiling point: 3103 KDensity[kg/m3]: 2985Molar volume: 15.00 × 10-6 m3/molProtons/Electrons: 21Neutrons: 24Shell structure: 2...
Scandium is a chemical element with the symbol Sc and atomic number 21. It is often classified as a rare earth element due to its properties and occurrence in nature, and is commonly found in ores of various metals like aluminum, cobalt, and titanium. ...
Scandium is a chemical element; it has symbol Sc and atomic number 21. It is a silvery-white metallic d-block element. Historically, it has been classified as a rare-earth element,[7] together with yttrium and the lanthanides. It was discovered in 1879 by spectral analysis of the minerals...