Copernicium (Cn) is a synthetic chemical element with atomic number 112, group 12, period 7, and atomic mass number 285. The Copernicium (Cn) is the most stable isotope (Copernicium-285) has a half-life of about 30 seconds. It decays into darmstadtium-281 through alpha decay. (Refer to the Chemical Element; Periodic Table)
