Ytterbium vs Darmstadtium

PropertyYb YtterbiumDs Darmstadtium
Atomic number70110
SymbolYbDs
NameYtterbiumDarmstadtium
Categorylanthanidetransition-metal
Standard Atomic Weight173.054 u281 u
Period67
GroupN/A10
Blockss
Phase at STPsolidN/A
Electron configuration[Xe]6s24f14[Rn]7s25f146d8(predicted)
Oxidation states[0, 1, 2, 3][0, 2, 4, 6, 8]
Electronegativity (Pauling)N/AN/A
Electron affinity-0.02 eV1.6 eV
Density6900 kg/m³3.480000e+4 kg/m³
Melting point818.85 °C-273.15 °C
Boiling point1195.85 °C-273.15 °C
Discovery year18781994