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lutetium    
n. 镥

□

lutetium
n 1: a trivalent metallic element of the rare earth group;
usually occurs in association with yttrium [synonym:
{lutetium}, {lutecium}, {Lu}, {atomic number 71}]

Lutetium \Lu*te"ti*um\, n. (Chem.)
A metallic element separated from ytterbium in 1907, by
Urbain in Paris and by von Welsbach in Vienna. It is a member
of the Lanthanide rare earth group. Symbol, Lu; atomic number
71; atomic weight 174.967 [C=12.011]. Previously spelled
{Lutecium}.
[Webster 1913 Suppl. PJC]


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  • Lutetium - Wikipedia
    Lutetium is a chemical element; it has symbol Lu and atomic number 71 It is a silvery white metal, which resists corrosion in dry air, but not in moist air
  • Lutetium | Rare Earth Element, Atomic Number 71 | Britannica
    lutetium (Lu), chemical element, a rare-earth metal of the lanthanide series of the periodic table, that is the densest and the highest-melting rare-earth element and the last member of the lanthanide series In its pure form, lutetium metal is silvery white and stable in air
  • What is Lutetium Used For? - Stanford Materials
    Lutetium, the last member of the lanthanide series in the periodic table, is a rare earth element known for its unique properties and applications in various high-tech and scientific fields
  • Lutetium Facts, Symbol, Discovery, Properties, Uses - Chemistry Learner
    It is the last chemical element belonging to the lanthanide series [3], with the most naturally abundant, stable isotope being 175 Lu (97 4% abundance) Another long-lived radioactive isotope 176 Lu has a half-life period of 3 78 X 10 10 years [4]
  • Lutetium - Element information, properties and uses | Periodic Table
    Lutetium is little used outside research One of its few commercial uses is as a catalyst for cracking hydrocarbons in oil refineries Lutetium has no known biological role It has low toxicity In common with many other lanthanides, the main source of lutetium is the mineral monazite
  • Facts About Lutetium - Live Science
    Lutetium is the last of the lanthanides, and the hardest of them The pure metal has been isolated only in recent years and is one of the most difficult to prepare It can be prepared by the
  • Lutetium Facts – Atomic Number 71 or Lu - Science Notes and Projects
    Lutetium was the last natural rare earth element that was discovered It was discovered in 1907 by three scientists, working independently from each other Georges Urbain, Charles James, and Carl Auer von Welsbach all extracted lutetium from a sample of the mineral ytterbia
  • WebElements Periodic Table » Lutetium » the essentials
    It can be prepared by the reduction of anhydrous LuCl 3 or LuF 3 by an alkali or alkaline earth metal The metal is silvery white and relatively stable in air It is a rare earth metal and perhaps the most expensive of all rare elements
  • Lutetium (Lu) - Periodic Table
    Lutetium is the 71st element in the periodic table and has a symbol of Lu and atomic number of 71 It has an atomic weight of 174 9668 and a mass number of 175 Lutetium has seventy-one protons and one hundred four neutrons in its nucleus, and seventy-one electrons in six shells
  • Lutetium - Periodic Table
    Lutetium - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements





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