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- Lanthanide abstract "The lanthanide /ˈlænθənaɪd/ or lanthanoid /ˈlænθənɔɪd/ series of chemical elements comprises the fifteen metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. These fifteen lanthanide elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements.The informal chemical symbol Ln is used in general discussions of lanthanide chemistry to refer to any lanthanide. All but one of the lanthanides are f-block elements, corresponding to the filling of the 4f electron shell; lutetium, a d-block element, is also generally considered to be a lanthanide due to its chemical similarities with the other fourteen. All lanthanide elements form trivalent cations, Ln3+, whose chemistry is largely determined by the ionic radius, which decreases steadily from lanthanum to lutetium.The lanthanide elements are the group of elements with atomic number increasing from 57 (lanthanum) to 71 (lutetium). They are termed lanthanide because the lighter elements in the series are chemically similar to lanthanum. Strictly speaking, both lanthanum and lutetium have been labeled as group 3 elements, because they both have a single valence electron in the d shell. However, both elements are often included in any general discussion of the chemistry of the lanthanide elements.In presentations of the periodic table, the lanthanides and the actinides are customarily shown as two additional rows below the main body of the table, with placeholders or else a selected single element of each series (either lanthanum and actinium, or lutetium and lawrencium) shown in a single cell of the main table, between barium and hafnium, and radium and rutherfordium, respectively. This convention is entirely a matter of aesthetics and formatting practicality; a rarely used wide-formatted periodic table inserts the lanthanide and actinide series in their proper places, as parts of the table's sixth and seventh rows (periods).".
- Lanthanide thumbnail Lanthanum-2.jpg?width=300.
- Lanthanide wikiPageExternalLink rare_earths.
- Lanthanide wikiPageExternalLink abd.
- Lanthanide wikiPageExternalLink www.sparkle.pro.br.
- Lanthanide wikiPageID "18308".
- Lanthanide wikiPageRevisionID "605210665".
- Lanthanide hasPhotoCollection Lanthanide.
- Lanthanide mark "lanthanide".
- Lanthanide title "Lanthanides in the periodic table".
- Lanthanide subject Category:Lanthanides.
- Lanthanide subject Category:Periodic_table.
- Lanthanide comment "The lanthanide /ˈlænθənaɪd/ or lanthanoid /ˈlænθənɔɪd/ series of chemical elements comprises the fifteen metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. These fifteen lanthanide elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements.The informal chemical symbol Ln is used in general discussions of lanthanide chemistry to refer to any lanthanide.".
- Lanthanide label "Lantanoidi".
- Lanthanide label "Lantanowce".
- Lanthanide label "Lantanídeo".
- Lanthanide label "Lanthanide".
- Lanthanide label "Lanthanide".
- Lanthanide label "Lanthanoide".
- Lanthanide label "Lantánido".
- Lanthanide label "Лантаноиды".
- Lanthanide label "لانثانيدات".
- Lanthanide label "ランタノイド".
- Lanthanide label "镧系元素".
- Lanthanide sameAs Lanthanoidy.
- Lanthanide sameAs Lanthanoide.
- Lanthanide sameAs Lantánido.
- Lanthanide sameAs Lantanoide.
- Lanthanide sameAs Lanthanide.
- Lanthanide sameAs Lantanida.
- Lanthanide sameAs Lantanoidi.
- Lanthanide sameAs ランタノイド.
- Lanthanide sameAs 란타넘족.
- Lanthanide sameAs Lanthanide.
- Lanthanide sameAs Lantanowce.
- Lanthanide sameAs Lantanídeo.
- Lanthanide sameAs m.04n1n.
- Lanthanide sameAs Q19569.
- Lanthanide sameAs Q19569.
- Lanthanide wasDerivedFrom Lanthanide?oldid=605210665.
- Lanthanide depiction Lanthanum-2.jpg.
- Lanthanide isPrimaryTopicOf Lanthanide.