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Protactinium metal

См. также в других словарях:

  • Protactinium — thorium ← protactinium → uranium Pr ↑ Pa ↓ …   Wikipedia

  • PROTACTINIUM — Le protactinium (Pa) est l’élément chimique de numéro atomique 91. Tous ses isotopes sont radioactifs; deux d’entre eux existent dans la nature associés à la géochimie de l’uranium. L’isotope de masse 231, émetteur 見 de période 1/2 = 34 000 ans,… …   Encyclopédie Universelle

  • Protactinium — Thorium ← Protactinium → Uranium Pr …   Wikipédia en Français

  • Protactinium — Eigenschaften …   Deutsch Wikipedia

  • Metal — This article is about metallic materials. For other uses, see Metal (disambiguation). Some metal pieces Metals Alkali metals …   Wikipedia

  • metal — Synonyms and related words: Dutch foil, achievement, alerion, aluminum, aluminum foil, americium, animal charge, annulet, argent, armorial bearings, armory, arms, asphalt, azure, bandeau, bar, bar sinister, barium, baton, bearings, bend, bend… …   Moby Thesaurus

  • protactinium — [ˌprəʊtak tɪnɪəm] noun the chemical element of atomic number 91, a radioactive metal of the actinide series, occurring in small amounts as a product of the natural decay of uranium. (Symbol: Pa) Origin early 20th cent.: from proto + actinium, so… …   English new terms dictionary

  • 7440-13-3 — Protactinium Protactinium T …   Wikipédia en Français

  • Actinide — The atomic bomb dropped on Nagasaki had a plutonium charge.[1] The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium thro …   Wikipedia

  • Neptunium — uranium ← neptunium → plutonium Pm ↑ Np ↓ (Uqt) …   Wikipedia

  • Chemical element — The periodic table of the chemical elements A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.[1] Familiar examples of …   Wikipedia

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