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europium    音标拼音: [jʊr'opiəm]
n. 铕

铕

europium
n 1: a bivalent and trivalent metallic element of the rare earth
group [synonym: {europium}, {Eu}, {atomic number 63}]

Europium \Eu*ro"pi*um\, n. [NL.; Europe -ium, as in
aluminium.] (Chem.)
A metallic element of the rare-earth group (Lanthanide
series), discovered spectroscopically by Demarcay in 1896.
Symbol, Eu; atomic number 63; at. wt., 151.965 (C=12.011);
valence = 2 or 3.
[Webster 1913 Suppl. PJC]


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  • Europium - Wikipedia
    Europium is a chemical element; it has symbol Eu and atomic number 63 It is a silvery-white metal of the lanthanide series that reacts readily with air to form a dark oxide coating Europium is the most chemically reactive, least dense, and softest of the lanthanides It is soft enough to be cut with a knife Europium was discovered in 1896, provisionally designated as Σ; in 1901, it was
  • Europium | Uses, Properties, Facts | Britannica
    Europium, chemical element, a rare-earth metal of the lanthanide series of the periodic table Europium is the least dense, the softest, and the most volatile member of the lanthanide series It is used as a source of blue color in LEDs Learn more about europium in this article
  • Europium - Element information, properties and uses | Periodic Table
    Europium’s story is part of the complex history of the rare earths, aka lanthanoids It began with cerium which was discovered in 1803 In 1839 Carl Mosander separated two other elements from it: lanthanum and one he called didymium which turned out to be a mixture of two rare earths, praseodymium and neodymium, as revealed by Karl Auer in 1879 Even so, it still harboured another rarer
  • What is Europium Used For? - stanfordmaterials. com
    Europium, a rare earth element with distinctive properties, plays a pivotal role in various applications that are integral to modern technology and industry
  • Europium Facts, Symbol, Discovery, Properties, Uses
    Is europium (element 63) a metal, date of discovery, properties (atomic mass, melting point, atomic number, electron configuration) what is it used for, cost
  • Europium Element Facts Chemistry - chemicool. com
    Explore the properties, discovery, appearance, and characteristics of the chemical element Europium
  • Critical Mineral: Europium - Montana Technological University
    Critical Mineral: Europium Ryan Davison and Adrian Van Rythoven Overview Europium (Eu) is a chemical element included on the United States Geological Survey’s 2022 Final List of Critical Minerals Eu is a lanthanide It is a light rare earth element (REE) Unlike some other REEs, the terrestrial abundance of Eu is ~0 000009 wt %, making it
  • Europium: The Versatile Element in Tech and Medicine
    Discover the fascinating world of Europium, an element with unique properties that make it indispensable in modern technology, from flat-panel displays to medical diagnostics Explore its physical and chemical characteristics, historical background, and various uses and applications Learn why this lanthanide series member is so crucial in our lives
  • Periodic Table of Elements: Los Alamos National Laboratory
    Europium is now prepared by mixing Eu 2 O 3 with a 10%-excess of lanthanum metal and heating the mixture in a tantalum crucible under high vacuum The element is collected as a silvery-white metallic deposit on the walls of the crucible Properties As with other rare-earth metals, except for lanthanum, europium ignites in air at about 150 to
  • Europium - New World Encyclopedia
    Europium is an inner transition metal (or lanthanide) that lies in period six of the periodic table, between samarium and gadolinium It instantly oxidizes in air and resembles calcium in its reaction with water Deliveries of the metal element in solid form even under mineral oil are rarely shiny Europium ignites in air at about 150 °C to





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