Uranium vs Darmstadtium

PropertyU UraniumDs Darmstadtium
Atomic number92110
SymbolUDs
NameUraniumDarmstadtium
Categoryactinidetransition-metal
Standard Atomic Weight238.02891 u281 u
Period77
GroupN/A10
Blockss
Phase at STPsolidN/A
Electron configuration[Rn]7s25f36d1[Rn]7s25f146d8(predicted)
Oxidation states[-1, 1, 2, 3, 4, 5, 6][0, 2, 4, 6, 8]
Electronegativity (Pauling)1.38N/A
Electron affinity0.3 eV1.6 eV
Density1.895000e+4 kg/m³3.480000e+4 kg/m³
Melting point1134.85 °C-273.15 °C
Boiling point4130.85 °C-273.15 °C
Discovery year17891994