1) Chemical element 2) Element discovered in 1982 3) Element number 109 4) Element with the symbol Mt 5) German chemistry term 6) Synthetic element
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Meitnerium is a chemical element with symbol Mt and atomic number 109. It is an extremely radioactive synthetic element (an element not found in nature that can be created in a laboratory). The most stable known isotope, meitnerium-278, has a half-life of 7.6 seconds. The GSI Helmholtz Centre for Heavy Ion Research near Darmstadt, Germany, first c...
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http://en.wikipedia.org/wiki/Meitnerium
an artificially produced element belonging to the transuranium group, atomic number 109. It is predicted to have chemical properties resembling those ...
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http://www.britannica.com/eb/a-z/m/66
Type: Term Pronunciation: mīt-ner′ē-ŭm Definitions: 1. An artificial transplutonium element; atomic number 109; atomic weight 266. [Formerly called Unnilennium, Une.]
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Mt noun a radioactive transuranic element
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https://www.encyclo.co.uk/local/20974
No exact match found.
