Chromium vs Germanium

PropertyCr ChromiumGe Germanium
Atomic number2432
SymbolCrGe
NameChromiumGermanium
Categorytransition-metalmetalloid
Standard Atomic Weight51.9961 u72.63 u
Period44
Group614
Blocksp
Phase at STPsolidsolid
Electron configuration[Ar]3d54s1[Ar]4s23d104p2
Oxidation states[-4, -2, -1, 0, 1, 2, 3, 4, 5, 6][-4, -3, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)1.662.01
Electron affinity0.675 eV1.232 eV
Density7150 kg/m³5323.4 kg/m³
Melting point1906.85 °C938.25 °C
Boiling point2670.85 °C2832.85 °C
Discovery year17971886