Tungsten vs Einsteinium

PropertyW TungstenEs Einsteinium
Atomic number7499
SymbolWEs
NameTungstenEinsteinium
Categorytransition-metalactinide
Standard Atomic Weight183.84 u252 u
Period67
Group6N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f145d4[Rn]7s25f11
Oxidation states[-4, -2, -1, 0, 1, 2, 3, 4, 5, 6][2, 3, 4]
Electronegativity (Pauling)2.361.3
Electron affinity0.815 eV-0.3 eV
Density1.930000e+4 kg/m³8840 kg/m³
Melting point3421.85 °C859.85 °C
Boiling point5554.85 °C-273.15 °C
Discovery year17811952