Cerium vs Darmstadtium

PropertyCe CeriumDs Darmstadtium
Atomic number58110
SymbolCeDs
NameCeriumDarmstadtium
Categorylanthanidetransition-metal
Standard Atomic Weight140.116 u281 u
Period67
GroupN/A10
Blockss
Phase at STPsolidN/A
Electron configuration[Xe]6s24f15d1[Rn]7s25f146d8(predicted)
Oxidation states[1, 2, 3, 4][0, 2, 4, 6, 8]
Electronegativity (Pauling)1.12N/A
Electron affinity0.955 eV1.6 eV
Density6770 kg/m³3.480000e+4 kg/m³
Melting point797.85 °C-273.15 °C
Boiling point3423.85 °C-273.15 °C
Discovery year18011994