Cerium vs Bohrium

PropertyCe CeriumBh Bohrium
Atomic number58107
SymbolCeBh
NameCeriumBohrium
Categorylanthanidetransition-metal
Standard Atomic Weight140.116 u270 u
Period67
GroupN/A7
Blockss
Phase at STPsolidN/A
Electron configuration[Xe]6s24f15d1[Rn]7s25f146d5
Oxidation states[1, 2, 3, 4][3, 4, 5, 7]
Electronegativity (Pauling)1.12N/A
Electron affinity0.955 eV0.44 eV
Density6770 kg/m³3.710000e+4 kg/m³
Melting point797.85 °C-273.15 °C
Boiling point3423.85 °C-273.15 °C
Discovery year18011976