Web98 linhas · lutetium: Lu 0.8 (8 × 10 −5 %) 69 thulium: Tm 0.4800 0.4500 0.52 (5.2 × 10 … Lutetium-176 is a relatively abundant (2.5%) radioactive isotope with a half-life of about 38 billion years, used to determine the age of minerals and meteorites. Lutetium usually occurs in association with the element yttrium [7] and is sometimes used in metal alloys and as a catalyst in various chemical reactions. Ver mais Lutetium is a chemical element with the symbol Lu and atomic number 71. It is a silvery white metal, which resists corrosion in dry air, but not in moist air. Lutetium is the last element in the lanthanide series, and it is traditionally … Ver mais Lutetium, derived from the Latin Lutetia (Paris), was independently discovered in 1907 by French scientist Georges Urbain, Austrian mineralogist Baron Carl Auer von Welsbach, and American chemist Charles James. They found it as an impurity in ytterbia, … Ver mais Because of production difficulty and high price, lutetium has very few commercial uses, especially since it is rarer than most of the other lanthanides but is chemically not very different. … Ver mais Physical properties A lutetium atom has 71 electrons, arranged in the configuration [Xe] 4f 5d 6s . When entering a chemical reaction, the atom loses its two … Ver mais Found with almost all other rare-earth metals but never by itself, lutetium is very difficult to separate from other elements. Its principal commercial source is as a by-product from the processing of the rare earth phosphate mineral monazite (Ce,La,...)PO 4, … Ver mais Like other rare-earth metals, lutetium is regarded as having a low degree of toxicity, but its compounds should be handled with care … Ver mais

Lutetium – Protons – Neutrons – Electrons – Electron Configuration

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Lutetium – Definition, Chemical and Physical Properties - Vedantu

WebOther articles where lutetium-176 is discussed: lutetium: 4 percent) and radioactive lutetium-176 (2.6 percent, 3.76 × 1010-year half-life). The radioactive isotope is used to determine the age of meteorites relative to that of Earth. In addition to lutetium-176, and not counting nuclear isomers, 33 more radioactive isotopes of lutetium are known. They … Web14 de fev. de 2024 · Rare earth elements (REE) are a group of 15 elements referred to as the lanthanide series in the periodic table of elements together with scandium and yttrium. The last two elements exhibit similar properties to the lanthanides and are found in the same ore bodies. REEs are key components in many electronic devices that we use in our daily ... Web71 Lu 174.966800000 Lutetium. Lutetium (atomic symbol: Lu, atomic number: 71) is a Block F, Group 3, Period 6 element with an atomic weight of 174.9668. The number of electrons in each of Lutetium's shells is [2, 8, 18, 32, 9, 2] and its electron configuration is [Xe] 4f 5d 1 In its elemental form, lutetium has a silvery-white appearance. dickssportinggoods point