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Definisjon av actinide

Vi fant 3 definisjoner av actinide på engelsk.

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Substantiv
actinide - Any of the 14 radioactive elements of the periodic table that are positioned under the lanthanides to which they have similar chemistry.

Wikipedia Wiktionary dictionary logo

  • The actinide or actinoid series encompasses the 14 chemical elements with atomic numbers from 90 to 103, thorium to lawrencium. The actinide series derives its name from the group 3 element actinium which can be included in the series for the purpose of comparisons. Only thorium and uranium occur in usable quantities in nature.

OmegaWiki Dictionary Ω

  • actinide
    An element member of the actinide group of 15 radioactive elements.

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