Lutetium vs Darmstadtium

PropertyLu LutetiumDs Darmstadtium
Atomic number71110
SymbolLuDs
NameLutetiumDarmstadtium
Categorylanthanidetransition-metal
Standard Atomic Weight174.9668 u281 u
Period67
Group310
Blockss
Phase at STPsolidN/A
Electron configuration[Xe]6s24f145d1[Rn]7s25f146d8(predicted)
Oxidation states[0, 1, 2, 3][0, 2, 4, 6, 8]
Electronegativity (Pauling)1.27N/A
Electron affinity0.346 eV1.6 eV
Density9840 kg/m³3.480000e+4 kg/m³
Melting point1662.85 °C-273.15 °C
Boiling point3401.85 °C-273.15 °C
Discovery year19071994