Cn
112 transition metal Generated with AI
Copernicium
Symbol Cn
Atomic Mass 285
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.
Properties
- Phase: Liquid
- Density: 14 g/cm³
- Melting Point: null K
- Boiling Point: 3570 K