Rhenium vs Plutonium

PropertyRe RheniumPu Plutonium
Atomic number7594
SymbolRePu
NameRheniumPlutonium
Categorytransition-metalactinide
Standard Atomic Weight186.207 u244 u
Period67
Group7N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f145d5[Rn]7s25f6
Oxidation states[-3, -1, 0, 1, 2, 3, 4, 5, 6, 7][2, 3, 4, 5, 6, 7, 8]
Electronegativity (Pauling)1.91.28
Electron affinity0.15 eV-0.5 eV
Density2.080000e+4 kg/m³1.984000e+4 kg/m³
Melting point3185.85 °C639.85 °C
Boiling point5595.85 °C3227.85 °C
Discovery year19251941