The heaviest chemical element with the atomic number 112 has officially been named Copernicium. Its symbol is Cn. It was discoverd in Germany on 9th February 1996 by an international team of scientists.
The Recommendations will be published in the March issue of the IUPAC journal Pure and Applied Chemistry and is available online at Pure Appl. Chem., 2010, Vol. 82, No. 3, pp. pp 753-755 (doi: 10.1351/PAC-REC-09-08-20).
Press Release Dated 19 February 2010.