Plutonium vs Bohrium

PropertyPu PlutoniumBh Bohrium
Atomic number94107
SymbolPuBh
NamePlutoniumBohrium
Categoryactinidetransition-metal
Standard Atomic Weight244 u270 u
Period77
GroupN/A7
Blockss
Phase at STPsolidN/A
Electron configuration[Rn]7s25f6[Rn]7s25f146d5
Oxidation states[2, 3, 4, 5, 6, 7, 8][3, 4, 5, 7]
Electronegativity (Pauling)1.28N/A
Electron affinity-0.5 eV0.44 eV
Density1.984000e+4 kg/m³3.710000e+4 kg/m³
Melting point639.85 °C-273.15 °C
Boiling point3227.85 °C-273.15 °C
Discovery year19411976