Thulium vs Tungsten

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PropertyTm ThuliumW Tungsten
Atomic number6974
SymbolTmW
NameThuliumTungsten
Categorylanthanidetransition-metal
Standard Atomic Weight168.93422 u183.84 u
Period66
GroupN/A6
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f13[Xe]6s24f145d4
Oxidation states[0, 1, 2, 3][-4, -2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)1.252.36
Electron affinity1.029 eV0.815 eV
Density9320 kg/m³1.930000e+4 kg/m³
Melting point1544.85 °C3421.85 °C
Boiling point1949.85 °C5554.85 °C
Discovery year18791781