Germanium vs Yttrium

PropertyGe GermaniumY Yttrium
Atomic number3239
SymbolGeY
NameGermaniumYttrium
Categorymetalloidtransition-metal
Standard Atomic Weight72.63 u88.90584 u
Period45
Group143
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Kr]5s24d1
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][0, 1, 2, 3]
Electronegativity (Pauling)2.011.22
Electron affinity1.232 eV0.307 eV
Density5323.4 kg/m³4470 kg/m³
Melting point938.25 °C1521.85 °C
Boiling point2832.85 °C3344.85 °C
Discovery year18861794