Holmium vs Bohrium

PropertyHo HolmiumBh Bohrium
Atomic number67107
SymbolHoBh
NameHolmiumBohrium
Categorylanthanidetransition-metal
Standard Atomic Weight164.93033 u270 u
Period67
GroupN/A7
Blockss
Phase at STPsolidN/A
Electron configuration[Xe]6s24f11[Rn]7s25f146d5
Oxidation states[0, 1, 2, 3][3, 4, 5, 7]
Electronegativity (Pauling)1.23N/A
Electron affinity0.338 eV0.44 eV
Density8800 kg/m³3.710000e+4 kg/m³
Melting point1473.85 °C-273.15 °C
Boiling point2699.85 °C-273.15 °C
Discovery year18781976