Ytterbium vs Plutonium

PropertyYb YtterbiumPu Plutonium
Atomic number7094
SymbolYbPu
NameYtterbiumPlutonium
Categorylanthanideactinide
Standard Atomic Weight173.054 u244 u
Period67
GroupN/AN/A
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f14[Rn]7s25f6
Oxidation states[0, 1, 2, 3][2, 3, 4, 5, 6, 7, 8]
Electronegativity (Pauling)N/A1.28
Electron affinity-0.02 eV-0.5 eV
Density6900 kg/m³1.984000e+4 kg/m³
Melting point818.85 °C639.85 °C
Boiling point1195.85 °C3227.85 °C
Discovery year18781941