Thulium vs Seaborgium

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PropertyTm ThuliumSg Seaborgium
Atomic number69106
SymbolTmSg
NameThuliumSeaborgium
Categorylanthanidetransition-metal
Standard Atomic Weight168.93422 u271 u
Period67
GroupN/A6
Blockss
Phase at STPsolidN/A
Electron configuration[Xe]6s24f13[Rn]7s25f146d4
Oxidation states[0, 1, 2, 3][3, 4, 5, 6]
Electronegativity (Pauling)1.25N/A
Electron affinity1.029 eV0.85 eV
Density9320 kg/m³3.500000e+4 kg/m³
Melting point1544.85 °C-273.15 °C
Boiling point1949.85 °C-273.15 °C
Discovery year18791974