Tungsten vs Roentgenium

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PropertyW TungstenRg Roentgenium
Atomic number74111
SymbolWRg
NameTungstenRoentgenium
Categorytransition-metaltransition-metal
Standard Atomic Weight183.84 u281 u
Period67
Group611
Blockss
Phase at STPsolidN/A
Electron configuration[Xe]6s24f145d4[Rn] 7s2 5f14 6d9(predicted)
Oxidation states[-4, -2, -1, 0, 1, 2, 3, 4, 5, 6][-1, 1, 3, 5]
Electronegativity (Pauling)2.36N/A
Electron affinity0.815 eV1.6 eV
Density1.930000e+4 kg/m³2.870000e+4 kg/m³
Melting point3421.85 °C-273.15 °C
Boiling point5554.85 °C-273.15 °C
Discovery year17811994