Germanium vs Praseodymium

PropertyGe GermaniumPr Praseodymium
Atomic number3259
SymbolGePr
NameGermaniumPraseodymium
Categorymetalloidlanthanide
Standard Atomic Weight72.63 u140.90766 u
Period46
Group14N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Xe]6s24f3
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][0, 1, 2, 3, 4, 5]
Electronegativity (Pauling)2.011.13
Electron affinity1.232 eV0.962 eV
Density5323.4 kg/m³6770 kg/m³
Melting point938.25 °C930.85 °C
Boiling point2832.85 °C3519.85 °C
Discovery year18861885