NO. 112Unknown

Cn

Copernicium

Copernicium is a volatile superheavy metal with properties resembling mercury, possibly existing as a liquid metal.

Crystal Structure

Face-centered cubic (predicted)

Atomic Mass285 u

Density14 g/cm³

Melting Point283 K

Boiling Point357 K

Atomic Radius122 pm

Electronegativity1.6

Ionization Energy1150 kJ/mol

Electron Affinity0 kJ/mol

Bonding TypeMetallic

Oxidation States2

Acid/BaseNeutral

ReactivityLow

Electron Configuration

[Rn] 5f14 6d10 7s2

Discovered ByGSI Darmstadt

Year1996

Known Isotopes

Cn-285