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    112    

112 Cn Copernicium

Transition metal, no stable and no natural isotopes.

Copernicium

First made 1996 by bombarding lead with zinc, it decays by spontaneous fission or to darmstadtium. Copernicium isotopes have maximal half-lifes of several seconds, maybe even some minutes. Copernicium could be even more volatile than its group neighbor mercury.


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