meitnerium
meitnerium
Symbol: Mt
Atomic number: 109
Atomic weight: (266)
Half-life of approximately 5ms. The creation of this element demonstrated that fusion techniques could indeed be used to make new, heavy nuclei. Made and identified by physicists of the Heavy Ion Research Laboratory, Darmstadt, West Germany in 1982. Named in honor of Lise Meitner the Austrian physicist.

Elements of periodic system. 2013.

  • Meitnerium — Meitnérium Pour les articles homonymes, voir Mt. Meitnérium …   Wikipédia en Français

  • meitnerium — [mīt nir′ē əm] n. 〚ModL, after MEITNER Lise + IUM〛 a radioactive chemical element with a very short half life: a transactinide produced by bombarding bismuth with high energy nuclear particles: symbol, Mt; at. no., 109: see the periodic table of… …   Universalium

  • meitnerium — ● meitnerium nom masculin (de L. Meitner, nom propre) Élément chimique artificiel (Mt), de numéro atomique 109 et de masse atomique voisine de 268 …   Encyclopédie Universelle

  • meitnerium — [mīt nir′ē əm] n. [ModL, after MEITNER Lise + IUM] a radioactive chemical element with a very short half life: a transactinide produced by bombarding bismuth with high energy nuclear particles: symbol, Mt; at. no., 109: see the periodic table of… …   English World dictionary

  • Meitnerium — hassium ← meitnerium → darmstadtium Ir ↑ Mt ↓ (Upe) …   Wikipedia

  • Meitnérium — Pour les articles homonymes, voir Mt. Meitnérium Hassium ← Meitnérium → …   Wikipédia en Français

  • Meitnerium — Eigenschaften …   Deutsch Wikipedia

  • Meitnerium — meitneris statusas T sritis fizika atitikmenys: angl. meitnerium vok. Meitnerium, n rus. мейтнерий, m pranc. meitnerium, m …   Fizikos terminų žodynas

  • meitnerium — meitneris statusas T sritis fizika atitikmenys: angl. meitnerium vok. Meitnerium, n rus. мейтнерий, m pranc. meitnerium, m …   Fizikos terminų žodynas

  • Meitnerium — Meit|ne|ri|um [nach der österr. Physikerin L. Meitner (1878–1968); ↑ ium (1)], das; s; Symbol: Mt; früherer systematischer Name: Unnilennium (Une): nur künstlich herstellbares, radioaktives chem. Element (Transactinid) aus Gruppe 9 des… …   Universal-Lexikon