actinides


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ac·tin·ides

(ak'tin-īdz),
Those elements with atomic numbers 89 to 103, below the lanthanides in the Periodic Table.
Synonym(s): actinide elements
[actinium, first element of the series]

ac·tin·ides

(ak'tin-īdz)
Those elements with atomic numbers 89-103, corresponding to the lanthanides in the Periodic Table.
[actinium, first element of the series]
References in periodicals archive ?
Quasirelativistic f-in-core pseudopotentials and core-polarization potentials for trivalent actinides and lanthanides: molecular test for trifluorides.
Biotransformation of Uranium and Other Actinides in Radioactive Wastes.
Strontium and the actinides are removed fairly rapidly despite the high salt concentration.
In the end, though, there's little doubt that Seaborg's table of rows and turrets, with the lanthanides and actinides like moats along the bottom, will dominate chemistry classes for generations to come.
thermal neutrons but can induce fission in all actinides, including all
The design criteria include the minimisation of waste and better management of natural resources, while four of the six selected systems are 'fast reactors' associated with a closed cycle to burn long-lived actinides.
These materials, formed during irradiation of fuel in the reactors, are collectively known as the minor actinides, to distinguish them from the larger quantities of uranium and plutonium also present in the fuel.
Many studies have, however, demonstrated that the aqueous speciation of tetravalent actinides is very often dominated by colloids (Olofsson et al.
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.
The subject of the workshop was the application of subcritical neutrons to transmutation of actinides.