Stable isotope Copernicium (Cn)

Isotope Atomic Mass Half-life Mode of Decay Nuclear Spin Nuclear Magnetic Moment
Cn-277 277 0.00024 seconds α to Ds-273 No data available No data available
Cn-283 283 3.00 minutes SF No data available No data available
Cn-284 284 44.30 seconds α to Ds-280 No data available No data available
Cn-285 285 11.00 minutes α to Ds-281 No data available No data available

Properties of Copernicium

Name Copernicium
Symbol Cn
Atomic number 112
Atomic weight [285]
Standard state Presumably a liquid at 298 °K
CAS Registry ID 54084-26-3
Group in periodic table 12
Group name None
Period in periodic table 7
Block in periodic table d-block
Color Unknown, but probably metallic and silvery white or grey in appearance
Classification Metallic
Melting point No data available
Boiling point No data available
Density of solid 16.8 g/cm3 (predicted)
Ground state electron configuration [Rn]5f146d107s2 (predicted)