Meitnerium
From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia
Dit artikel is gesjreve (of begós) in 't Sint-Joasters. Laes hie wie v'r mit de versjillende saorte Limburgs ómgaon.
Meitnerium is e sjemisch element mit es symboal Mt en 't atoamnómmer 109. 't Is dinkelik e gries of zilverkluèrig euvergangsmetaal.
Meitnerium kump van netuur neet veur oppe aerd en mót synthetisch waere geperduceerdj. In 1982 is 't metaal veur 't ièrs aangemaak door Duitse weitesjappers. In 1997 woort 't element d'n hujige naam gegaove, nao Lise Meitner, daoveur sting 't bekandj es unnilennium (Une).
Nuclide | Z (p) | N (n) | Isotopische massa (u) | Halveringstied | Radioactief verval | VP | Kernspin |
---|---|---|---|---|---|---|---|
Excitatie-energie | |||||||
266Mt | 109 | 157 | 266,13730(37) | 1,2(4) ms | α | 262Bh | |
268Mt | 109 | 159 | 268,13873(34) | 21 ms | α | 264Bh | 5+, 6+ |
268mMt | 0,07 s | α | 264Bh | ||||
270Mt | 109 | 161 | 270,14066(58) | 2 s | α | 266Bh | |
270mMt | α | 266Bh | |||||
274Mt | 109 | 165 | 274,14749(60) | 0,45 s | α | 270Bh | |
275Mt | 109 | 166 | 275,14865(64) | 9,7 ms | α | 271Bh | |
276Mt | 109 | 167 | 276,15116(73) | 0,72 s | α | 272Bh | |
278Mt | 109 | 169 | 278,15481(90) | 7,6 s | α | 274Bh |
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