Meitnerium

ElementMeitneriumSymbolMt
Atomic Number109Molar Mass268 gmol-1
Electron Configuration[Rn]5f146d77s2Normal Stateprobably solid metal
Density @STPg cm-3Melting PointoC
Boiling PointoCStable Isotopesnone
Atomic RadiuspmIonic Radius83 (2+) pm
Electronegativity (Pauling)Ionization Energy (1st)840 kJ mol-1
Ionization Energy (2nd)kJ mol-1Ionization Energy (3rd)kJ mol-1
Molar Heat CapacityJ K-1mol-1Standard Molar EntropyJ K-1mol-1
Enthalpy of FusionkJ mol-1Enthalpy of VapourizationkJ mol-1
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