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lanthanide
(redirected from Lanthanides)

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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. Their atoms have similar configurations and similar physical and chemical behaviour; the most common valences are 3 and 4.



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? Mentioned in ? References in periodicals archive
 
The emphasis of this announcement is on the ions, complexes, and organometallic compounds of the transition metals known as lanthanides and actinides, post-transition metals, and metalloid elements.
Metals in medicine by Environmental Health Perspectives
Experiments at low energy, below 8 keV, at the K edges of the early transition metals and the L edges of early lanthanides have been more difficult to perform, because of absorption by the Be windows in the beam line and by the samples themselves.
The high resolution powder diffraction beam line at ESRF by Fitch, A.N. / Journal of Research of the National Institute of Standards and Technology
The last major change to the table was in the 1940s, when Nobel Laureate Glenn Seaborg at the University of California, Berkeley created a separate group for the lanthanides and actinides--the rare earth and radioactive elements.
The nature of things: attempts to change the periodic table raise ... by Goho, Alexandra / Science News
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