Germanium vs Rutherfordium

PropertyGe GermaniumRf Rutherfordium
Atomic number32104
SymbolGeRf
NameGermaniumRutherfordium
Categorymetalloidtransition-metal
Standard Atomic Weight72.63 u263 u
Period47
Group144
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Rn]7s25f146d2
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][3, 4]
Electronegativity (Pauling)2.01N/A
Electron affinity1.232 eV0.65 eV
Density5323.4 kg/m³2.330000e+4 kg/m³
Melting point938.25 °C2126.85 °C
Boiling point2832.85 °C5526.85 °C
Discovery year18861964