COPERNICIUM

Copernicium

Copernicium is a chemical element with symbol Cn and atomic number 112. It is an extremely radioactive synthetic element that can only be created in a laboratory. The most stable known isotope, copernicium-285, has a half-life of approximately 29 seconds, but it is possible that this copernicium isotope may have a nuclear isomer with a longer half-life, 8.9 min. 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.

The above text is a snippet from Wikipedia: Copernicium
and as such is available under the Creative Commons Attribution/Share-Alike License.

copernicium

Noun

  1. The transuranic chemical element (symbol Cn) with atomic number 112.


The above text is a snippet from Wiktionary: copernicium
and as such is available under the Creative Commons Attribution/Share-Alike License.

Need help with a clue?
Try your search in the crossword dictionary!