Copernicium

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General Properties
Atomic number Predicted atomic mass Half-life of longest living isotope Electron Configuration First developed
112 285amu Around 30 seconds [Rn] 5f14 6d10 7s2 1996
General Properties
Atomic number 112
Atomic mass 285amu
Half-life of longest living isotope Around 30 seconds
Electron Configuration [Rn] 5f14 6d10 7s2
First discovered 1996

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Description and uses

Copernicium is the 112th element of the periodic table. It was discovered in 1996 by a research team led by Sigurd Hofmann. Its longest living isotope is 285Cn, with a half-life of around 30 seconds.

T&C