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  • |group comment=(alkaline earth metals) ...lkaline earth metal, and is the fifth-most-abundant element by mass in the Earth's crust.
    11 KB (1,502 words) - 15:50, 22 December 2022
  • ...ymbol '''Ce''' and atomic number 58. It is one of the most abundant [[rare earth metal]]s, one of the easiest to separate, and one of the easiest to purchas [[Category:Metals]]
    9 KB (1,304 words) - 15:06, 7 December 2019
  • ...0 $. It is not cheap, but it is less expensive than gold or other precious metals. [[Category:Metals]]
    9 KB (1,207 words) - 17:52, 23 June 2019
  • ...is stable in air, and does not oxidize as quickly as some other rare-earth metals. Erbium is ferromagnetic below 19 K, antiferromagnetic between 19 and 80 K [[Category:Metals]]
    8 KB (1,025 words) - 21:15, 17 August 2020
  • [[Ferrocerium]] is an alloy of rare earth metals (mainly [[cerium]] and [[lanthanum]]), [[iron]] and small amounts of magnes *[http://www.sciencemadness.org/talk/viewthread.php?tid=62827 Rare earth flash powders!]
    6 KB (934 words) - 22:15, 29 December 2021
  • [[Category:Metals]] [[Category:Rare earth metals]]
    8 KB (1,067 words) - 18:03, 31 January 2023
  • ...ng=en&region=US</ref> One source for europium, as well as other rare earth metals, is [http://www.elementsales.com/pl_element.htm#eu Metallium]. It is sold i [[Category:Metals]]
    11 KB (1,520 words) - 21:15, 11 July 2021
  • ...[[praseodymium]], [[neodymium]], and [[samarium]]. All of the other stable rare earths are present in some quantity. *[http://www.sciencemadness.org/talk/viewthread.php?tid=8758 Rare earth metals, mischmetal, etc]
    1 KB (176 words) - 17:55, 21 September 2018
  • ...with the symbol '''Nd''' and atomic number 60. Also classified as a [[rare earth metal]], it is a silvery solid that tarnishes quickly in air and will compl [[Category:Metals]]
    11 KB (1,483 words) - 21:03, 12 August 2020
  • ...loy coated with a mechanically polished, electroplated layer of protective metals such as [[nickel]], [[copper]], [[tin]], and/or [[gold]]. ...re-earth elements such as Gd, Ce, and Pr due to the lack of effect of rare-earth impurities on magnetic strength and thus loose manufacturing purity control
    7 KB (866 words) - 20:38, 26 December 2022
  • *[http://www.sciencemadness.org/talk/viewthread.php?tid=8758 Rare earth metals, mischmetal, etc]
    5 KB (538 words) - 15:21, 10 July 2019
  • ===Heavy metals=== Heavy metals, such as [[mercury]], can often be neutralized with a mixture of [[zinc]] a
    347 KB (46,057 words) - 20:09, 13 March 2024
  • |naming=after Roman Tellus, deity of the Earth Tellurium is one of the rarest stable elements on Earth's crust. Applications are scarce, most commonly used in electronics and sol
    10 KB (1,403 words) - 19:15, 30 August 2020
  • ...c attraction. Terbium has the second-highest Curie temperature of the rare earth elements, exceeded only by [[Gadolinium|gadolinium]]. ...numerous applications. One source for terbium, as well as other rare earth metals, is [http://www.elementsales.com/pl_element.htm#tb Metallium]. It is sold i
    12 KB (1,645 words) - 21:37, 30 November 2022
  • ...dioactively unstable promethium which is only found in trace quantities on Earth. It is often considered by many chemists a useless element, because it's rare and expensive, and the other more available lanthanides have similar physic
    9 KB (1,284 words) - 16:17, 13 May 2019
  • ...han some other metals. One source for holmium, as well as other rare earth metals, is Metallium. It is sold in 5 gram and 50 gram sizes, as well as rods, amp [[Category:Metals]]
    10 KB (1,332 words) - 21:44, 27 March 2019
  • Tungsten in its elemental form is very rare in nature, it was found only in very small quantities in Bol'shaya Pol'ya R ..., though it's still very hard. It has the highest melting point of all the metals (3422°C) and second to [[carbon]] as the highest melting point of any pure
    11 KB (1,562 words) - 14:02, 8 April 2020
  • ...led f-shell contributes to ytterbium's extremely low magnetism compared to rare earths such as [[gadolinium]], [[terbium]] and [[dysprosium]]. However, fin ...elatively expensive. One source for ytterbium, as well as other rare earth metals, is [http://www.elementsales.com/pl_element.htm#yb Metallium]. It is sold i
    12 KB (1,663 words) - 15:52, 7 May 2021
  • ...anides, and is often grouped with them, as well as [[scandium]], as a rare earth metal. Yttrium is a powerful reducing agent, but is not a necessary additio Yttrium is a typical rare-earth metal, with similar chemistry to [[aluminium]]. It does not corrode in air,
    9 KB (1,246 words) - 20:59, 22 October 2017
  • ...usly difficult to separate from one another. However, they vary greatly as metals: each metal is paramagnetic, but they have a different response to a magnet Lanthanides are a subset of the [[rare earth metals]], a group which includes [[scandium]] and [[yttrium]].
    1 KB (149 words) - 17:45, 12 September 2022

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