| actinide | <chemistry> Any element in the periodic table which has an atomic number between 89 and 103. (09 Oct 1997) |
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| actinide elements | Those elements with atomic numbers 89 to 103, corresponding to the lanthanides in the Periodic Table. Synonym: actinide elements. Origin: actinium, first element of the series (05 Mar 2000) |
| actinides | Those elements with atomic numbers 89 to 103, corresponding to the lanthanides in the Periodic Table. Synonym: actinide elements. Origin: actinium, first element of the series (05 Mar 2000) |
| actinide |
actinoid: any of a series of radioactive elements with atomic numbers 89 through 103
Ãâó: wordnet.princeton.edu/perl/webwn
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| actinide |
The actinide series encompasses the 14 chemical elements that lie between thorium and lawrencium on the periodic table with atomic numbers 90 - 103 inclusive. The actinide series is named after actinium, and this element is often included in the series by convention. All actinides are f-block elements except lawrencium. A strict correlation between periodic table blocks and chemical series would include actinium in the series and place lawrencium in the transition metals. ...
Ãâó: en.wikipedia.org/wiki/Actinide
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| actinide |
Elements with atomic numbers between 89 and 103 including Uranium, Thorium and Plutonium
Ãâó: www.curtin.edu.au/curtin/centre/waisrc/OKLO/Access...
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| actinide | any of a series of radioactive elements with atomic numbers 89 through 103 |
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| actinide | (chemistry) a series from actinium to lawrencium of 15 radioactive elements with increasing atomic numbers |
| actinide | a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium |
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