Atomic Number:112 Symbol:Cn Atomic Weight:[277] Discovery:Hofmann, Ninov et al. GSI-Germany 1996 Electron Configuration:[Rn] 5f146d107s2 Name Origin:Named for Nicolaus Copernicus, who proposed the heliocentric solar system. The discoverers of copernicum wanted the element's name to honor a ...
Copernicium (pronounced /koʊpərˈnɪsiəm/ koe-pər-NIS-ee-əm, with the first C hard and the second soft) is a synthetic radioactive chemical element with the symbol Cn and atomic number 112. The element was previously known by the IUPAC systematic element name ununbium ...