Transactinide element — In chemistry, transactinide elements are the chemical elements with atomic numbers greater than those of the actinides, the heaviest of which is lawrencium (103). [ [http://www.iupac.org/reports/provisional/abstract04/connelly 310804.html IUPAC… … Wikipedia
transactinide — ● transactinide nom masculin Nom générique des éléments qui suivent les actinides dans la classification périodique. transactinide n. m. CHIM élément dont le numéro atomique est supérieur à ceux des actinides … Encyclopédie Universelle
transactinide — [trans ak′tə nīd΄, tranzak′tə nīd΄] n. any of the radioactive chemical elements that have atomic numbers higher than the highest actinide (lawrencium): also called transactinide element transactinic [trans΄ak tin′ik] adj … English World dictionary
Transactinide — On qualifie de transactinide tout élément chimique dont le numéro atomique est supérieur à celui du lawrencium (n° 103), le dernier des actinides[1]. Les transactinides sont également appelés éléments superlourds. Ce sont, par définition,… … Wikipédia en Français
transactinide — I noun any of the artificially produced elements with atomic numbers greater than 103 • Hypernyms: ↑chemical element, ↑element II adjective of or belonging to the elements with atomic numbers greater than 103 * * * /trans ak teuh nuyd , tranz /,… … Useful english dictionary
transactinide — adjective Date: 1969 of, relating to, or being actual or hypothetical elements with atomic weights higher than those of the actinide series < transactinide chemistry > … New Collegiate Dictionary
transactinide — /trans ak teuh nuyd , tranz /, adj. Chem. noting or pertaining to elements having higher atomic weights than those of the actinide series. [1965 70; TRANS + ACTINIDE] * * * … Universalium
transactinide — 1. adjective Lying beyond actinium in the periodic table; having an atomic number greater than 103. 2. noun Any of the artificially produced elements having an atomic number greater than 103 … Wiktionary
transactinide — trans•ac•ti•nide [[t]trænsˈæk təˌnaɪd, trænz [/t]] adj. chem. chem. noting or pertaining to elements having higher atomic weights than those of the actinide series • Etymology: 1965–70 … From formal English to slang
Collective names of groups of like elements — is the term used by IUPAC to describe nomenclature for categorization of chemical elements.[1] The following names are approved by IUPAC: Alkali metals The metals of group 1: Li, Na, K, Rb, Cs, Fr. Alkaline earth metals The metals of group 2: Be … Wikipedia
