Tungsten vs Francium

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PropertyW TungstenFr Francium
Atomic number7487
SymbolWFr
NameTungstenFrancium
Categorytransition-metalalkali-metal
Standard Atomic Weight183.84 u223 u
Period67
Group61
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f145d4[Rn]7s1
Oxidation states[-4, -2, -1, 0, 1, 2, 3, 4, 5, 6][1]
Electronegativity (Pauling)2.360.7
Electron affinity0.815 eV0.491 eV
Density1.930000e+4 kg/m³1870 kg/m³
Melting point3421.85 °C26.85 °C
Boiling point5554.85 °C-273.15 °C
Discovery year17811939