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09/02/1996 Element 112

8:43

A New Element - Periodic Table of Videos

3:06

What Happens When A New Element Is Discovered

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Element 112, The Marinov Affair (short version)

Copernicium is a synthetic chemical element with symbol Cn and atomic number 112. It is an extremely radioactive element, and can only be created in a laboratory. The most stable known isotope, copernicium-285, has a half-life of approximately 29 seconds. Copernicium was first created in 1996 by the GSI Helmholtz Centre for Heavy Ion Research near Darmstadt, Germany. It is named after the astronomer Nicolaus Copernicus.
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