Palladium vs Fermium

PropertyPd PalladiumFm Fermium
Atomic number46100
SymbolPdFm
NamePalladiumFermium
Categorytransition-metalactinide
Standard Atomic Weight106.42 u257 u
Period57
Group10N/A
Blockds
Phase at STPsolidsolid
Electron configuration[Kr]4d10[Rn] 5f12 7s2
Oxidation states[1, 2, 3, 4, 5][2, 3]
Electronegativity (Pauling)2.21.3
Electron affinity0.557 eV0.339 eV
Density1.200000e+4 kg/m³9700 kg/m³
Melting point1554.9 °C1526.85 °C
Boiling point2962.85 °C-273.15 °C
Discovery year18031952