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lanthanide    
n. 原子序数58,81间的稀土元素

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  • Lanthanide - Wikipedia
    The lanthanide ( ˈlænθənaɪd ) or lanthanoid ( ˈlænθənɔɪd ) series of chemical elements [a] comprises at least the 14 metallic chemical elements with atomic numbers 57–70, from lanthanum through ytterbium
  • Lanthanide | Definition, Start, Facts | Britannica
    Lanthanide, any of the series of 15 consecutive chemical elements in the periodic table from lanthanum to lutetium (atomic numbers 57–71) With scandium and yttrium, they make up the rare-earth metals
  • Lanthanides Facts (Lanthanoids) - Science Notes and Projects
    Chemists refer to these 15 elements using the symbol Ln They are called “lanthanides” because they share properties in common with lanthanum Here is a list of the lanthanides, a look at their common properties, their uses, and other facts
  • Lanthanides- Introduction, Position, Properties and Uses
    Lanthanides are a set of 15 chemical elements whose atomic numbers range from 57 to 71 These are the elements in the periodic table’s f-block of period six Each of these elements has one valence electron in the 5d shell The elements have characteristics in common with lanthanum, the group’s initial element
  • Lanthanides - Properties of Element Groups - ThoughtCo
    Key Takeaways: Lanthanide The lanthanides are a group of 15 chemical elements, with atomic numbers 57 through 71 All of these elements have one valence electron in the 5d shell The elements share properties in common with the first element in the group -- lanthanum The lanthanides are reactive, silver-colored metals
  • Lanthanide - Simple English Wikipedia, the free encyclopedia
    Lanthanides are metals that are related to each other in how they behave Most of them slowly turn into their hydroxides when they are placed into water, like the alkali metals They usually form a coating of oxide when placed in the air, like most metals Lanthanides, with Scandium and Yttrium, are called rare earth elements
  • Lanthanides: Properties and Reactions - Chemistry LibreTexts
    The Lanthanides consist of the elements in the f-block of period six in the periodic table While these metals can be considered transition metals, they have properties that set them apart from the rest of the elements The Lanthanides were first discovered in 1787 when a unusual black mineral was found in Ytterby, Sweden
  • Lanthanides – Electronic configuration, Oxidation state, and Uses
    Lanthanides are those elements in which the last electron enters into anti-penultimate 4f sub-shell All lanthanides exhibit the most common and stable oxidation state of +3 The general electronic configuration of the Lanthanide element is
  • Lanthanide Metals: Definition, Properties, Uses, and Types
    Lanthanides are a group of metals that have similar properties Their characteristics have become critical to a surprising range of high-tech applications Much of the commonality stems from the lanthanide elements’ common electron configurations, resulting in shared chemical behaviors
  • Lanthanides Definition in Chemistry - ThoughtCo
    Key Takeaways: What Are the Lanthanides? The lanthanides are the elements in the top of the two rows located below the main body of the periodic table While there is disagreement over exactly which elements should be included, many chemists state the lanthanides are elements with atomic numbers 58 through 71





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