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  • unnilpentium — Symbol: Unp Atomic number: 105 Atomic weight: (262) Radioactive transactinide element. Half life of 1.6s. Discovered in 1970 by Berkeley researchers. So far, seven isotopes have been discovered …   Elements of periodic system

  • unnilpentium — [yo͞on΄əlpen′tē əm] n. former term for DUBNIUM: symbol, Unp …   English World dictionary

  • Unnilpentium — Dubnium Dubnium Rutherford …   Wikipédia en Français

  • Unnilpentium — Eigenschaften …   Deutsch Wikipedia

  • unnilpentium — noun Etymology: New Latin, from unnil + Greek pente five + New Latin ium more at five Date: 1981 dubnium …   New Collegiate Dictionary

  • unnilpentium — /yooh nil pen tee euhm/, n. Chem., Physics. provisional name for the transuranic element with atomic number 105. Symbol: Unp Also called element 105, hahnium. [1975 80; < L un(us) ONE + nil nothing + Gk pént(e) FIVE + NL ium IUM] * * * …   Universalium

  • unnilpentium — un·nil·pen·ti·um .yün əl pent ē əm n dubnium symbol Unp …   Medical dictionary

  • unnilpentium — n. dubnium, artificially produced transuranic radioactive chemical element that is very unstable …   English contemporary dictionary

  • unnilpentium — un·nil·pen·ti·um …   English syllables

  • unnilpentium — un•nil•pen•ti•um [[t]ˌyu nɪlˈpɛn ti əm[/t]] n. chem. phs provisional name for the transuranic element with atomic number 105 Symbol: Unp Also called hahnium • Etymology: 1975–80; < L ūn(us) one+nīl nothing + Gk pént(e) five+ NL ium ium II …   From formal English to slang

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