Hassium vs Copernicium

PropertyHs HassiumCn Copernicium
Atomic number108112
SymbolHsCn
NameHassiumCopernicium
Categorytransition-metaltransition-metal
Standard Atomic Weight270 u285 u
Period77
Group812
Blockss
Phase at STPN/Agas
Electron configuration[Rn]7s25f146d6[Rn] 7s2 5f14 6d10(predicted)
Oxidation states[3, 4, 6, 8][2, 4]
Electronegativity (Pauling)N/AN/A
Electron affinity1.1 eV-0.8 eV
Density4.070000e+4 kg/m³1.400000e+4 kg/m³
Melting point-273.15 °C-273.15 °C
Boiling point-273.15 °C-165.15 °C
Discovery year19841996