californium

californium
An artificial transuranium element, symbol Cf, atomic no. 98, atomic wt. 251.08; half-life of 251Cf (the most stable known isotope) is 900 years. [California, state and university where first prepared]

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cal·i·for·ni·um .kal-ə-'fȯr-nē-əm n an artificially prepared radioactive element discovered by bombarding an isotope of curium with alpha particles symbol Cf see ELEMENT (table)

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cal·i·for·ni·um (Cf) (kal″ĭ-forґne-əm) [California (University and state), where it was first produced] chemical element of atomic number 98, atomic weight 249, produced by irradiation of the isotope of curium of atomic weight 242 with helium ions; half-life 45 minutes.

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  • Californium — (pronEng|ˌkælɪˈforniəm) is a metallic chemical element with the symbol Cf and atomic number 98. A radioactive transuranic element, californium has very few uses. Uses include starting nuclear reactors (civilian and military); optimizing coal… …   Wikipedia

  • Californium — Berkélium ← Californium → Einsteinium Dy …   Wikipédia en Français

  • CALIFORNIUM — Le californium, élément chimique artificiel de symbole Cf, a été synthétisé pour la première fois en 1950. Son numéro atomique 98 le situe dans la classification périodique parmi les éléments transuraniens, après le curium et le berkélium.… …   Encyclopédie Universelle

  • californium — ☆ californium [kal΄ə fôr′nē əm ] n. [ModL < CALIFORNIA + IUM: so named (1950) by the discoverers, SEABORG Glenn T(heodore) and associates, at the University of California] a radioactive, metallic chemical element, one of the actinides,… …   English World dictionary

  • californium — Symbol: Cf Atomic number: 98 Atomic weight: (249) Radioactive metallic transuranic element. Belongs to actinoid series. Cf 251 has a half life of about 700 years. Nine isotopes are known. Cf 252 is an intense neutron source, which makes it an… …   Elements of periodic system

  • Californium — Eigenschaften …   Deutsch Wikipedia

  • californium — /kal euh fawr nee euhm/, n. Chem. a transuranic element. Symbol: Cf; at. no.: 98. [1945 50; named after the University of CALIFORNIA where it was discovered; see IUM] * * * ▪ chemical element  (Cf),    synthetic chemical element of the actinoid… …   Universalium

  • Californium — kalifornis statusas T sritis fizika atitikmenys: angl. californium vok. Californium, n; Kalifornium, n rus. калифорний, m pranc. californium, m …   Fizikos terminų žodynas

  • californium — kalifornis statusas T sritis fizika atitikmenys: angl. californium vok. Californium, n; Kalifornium, n rus. калифорний, m pranc. californium, m …   Fizikos terminų žodynas

  • Californium — Ca|li|fọr|ni|um 〈n.; s; unz.; chem. 〉 künstlich hergestelltes radioaktives chem. Element; oV Kalifornium [nach Kalifornien, Bundesstaat der USA] * * * Ca|li|fọr|ni|um [nach dem amer. Bundesstaat California; ↑ ium (1)], das; s; Symbol: Cf: nur… …   Universal-Lexikon

  • californium — kalifornis statusas T sritis chemija apibrėžtis Cheminis elementas. simbolis( iai) Cf atitikmenys: lot. californium angl. californium rus. калифорний …   Chemijos terminų aiškinamasis žodynas

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