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Isotopes of Meitnerium (Z=109)
Isotope	Half-life	Spin Parity	Decay Mode(s) or Abundance
²⁶⁵Mt
²⁶⁶Mt	0.8 ms		%A=100
^266m1Mt	3.8 ms		%A=100, %SF < 5.5
²⁶⁷Mt
²⁶⁸Mt	0.07 s	[5+,6+]	%A=100
²⁶⁹Mt
²⁷⁰Mt
²⁷¹Mt

Last update on
February 5, 2024