Carbon vs Meitnerium

PropertyC CarbonMt Meitnerium
Atomic number6109
SymbolCMt
NameCarbonMeitnerium
Categorynonmetaltransition-metal
Standard Atomic Weight12.0106 u278 u
Period27
Group149
Blockps
Phase at STPsolidN/A
Electron configuration[He]2s22p2[Rn]7s25f146d7(calculated)
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][1, 3, 4, 6, 8, 9]
Electronegativity (Pauling)2.55N/A
Electron affinity1.2621 eV1.7 eV
Density2267 kg/m³3.740000e+4 kg/m³
Melting point3549.85 °C-273.15 °C
Boiling point3824.85 °C-273.15 °C
Discovery year17971982