rare earth include


  • The rare earth elements include A. the lanthanide …

    The rare earth elements include A. the lanthanide series and the actinide series. B. the actinide series and the alkaline earth metals. C. the lanthanide series and the alkali metals. D. the alkali metals and the transition metals.

  • China's Rare-Earth Monopoly - MIT Technology Review

    Rare earths include 17 elements, such as terbium, which is used to make green phosphors for flat-panel TVs, lasers, and high-efficiency fluorescent lamps. Another of these elements, neodymium, is key to the permanent magnets used to make high-efficiency electric motors. Although well over 90 percent of the minerals are produced …

  • Rare Earth Elements questions.? | Yahoo Answers

    Mar 08, 2007· Best Answer: Rare earth elements and rare earth metals are a collection of sixteen chemical elements in the periodic table, namely scandium, yttrium, and fourteen of the fifteen lanthanides (excluding promethium), which naturally occur on the Earth. The former two are included as they tend to occur with the ...

  • Rare Earth Elements - Geoscience Australia

    The rare earths are a relatively abundant group of elements which range in crustal abundance from cerium at 60 parts per million to lutetium at 0.5 parts per million.

  • Rare-earth element - Wikipedia

    The rare earth elements include A. the lanthanide series and the alkali metals. B. the alkali metals and the transition metals. C. the actinide series and the alkaline earth …

  • Rare Earth Elements

    Rare Earth Elements What are Rare Earths? The Japanese call them “the seeds of technology.” The US Department of Energy calls them “technology metals.” They make possible the high tech world we live in today – everything from the miniaturization of electronics, to the enabling of green energy and medical technologies, to supporting a ...

  • Selection of technical factors Flashcards | Quizlet

    Rare earth phosphors have a much higher conversion efficiency (and therefore speed) and have all but replaced the older calcium tungstate screens. The larger the phosphor and the thicker the layer of phosphors (active layer), the …

  • Rare Earth Elements - Earth Systems

    Rare earth elements or rare earth metals are one of 17 chemical elements within the periodic table. Of those rare earth elements, 15 are in the lanthanide series and include yttrium and scandium.

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    Buy titanMAG - Cup Wall Mount Magnets - Neodymium Magnets - NdFeB - Rare Earth Magnets - Includes Screws an Storage Box - 1.26" (4 PACK - 75 LB): Material Handling Products - FREE DELIVERY possible on eligible purchases

  • Rare Earth Element | Definition of Rare Earth Element …

    Rare earth element definition is - any of a series of metallic elements of which the oxides are classed as rare earths and which include the elements of the lanthanide series and sometimes yttrium and scandium —called also rare earth metal.

  • Rare Earth Properties

    The common properties of the rare earths include the lanthanides and sometimes the actinide series of elements. The common properties of the rare earths include the lanthanides and sometimes the actinide series of elements. Rare Earth Properties. Search the site GO. Science. Chemistry Periodic Table Basics Chemical Laws …

  • Chemical Elements.com - Rare Earth Elements

    The thirty rare earth elements are composed of the lanthanide and actinide series. One element of the lanthanide series and most of the elements in the actinide series are called trans-uranium, which means synthetic or man-made.

  • Rare earth elements: Not so rare after all - CBS News

    Mar 25, 2018· Rare earths feed the high tech industry around the world, and supply chains from mine to manufacturer can include as many as 12 stops along the way. So, for example, if you were to follow the dozen or so different rare earths metals that experts say are in each iPhone all the way back to the mine, you'd have an extremely hard …

  • Rare Earth Metals: Will We Have Enough?

    Rare earth metals include: rare earth elements—17 elements in the periodic table, the 15 lanthanides plus scandium and yttrium; six platinum group elements; and other byproduct metals that occur in copper, gold, uranium, phosphates, iron or zinc ores. While many rare earth metals are actually quite common, they are seldom found in …

  • Rare Earth Elements: The Global Supply Chain

    Rare Earth Elements: The Global Supply Chain Congressional Research Service Summary The concentration of production of rare earth elements (REEs) outside the United States raises the

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