GeZ =  32

From the Latin "Germania", meaning "Germany"
(AM) Atomic Mass 72.61  amu    Oxidation States +2, +4, -4
   (BP) Boiling Point 2830  °C    (MP) Melting Point 937.4  °C
   (ρ) Density 5.36  g/cm3    Crystal Structure Diamond
   ( χ ) Electronegativity 1.8    (AR) Atomic Radius 1.22  Å
   Physical State Solid (C) Heat Capacity 0.32  J/g °C
Electronic-Config [Ar]  3d10  4s2  4p2     (I1) First Ionization E 762.14  kJ/mol
   (ΔHvap) Heat of Vaporization 334  kJ/mol     (ΔHfus) Heat of Fusion 36.94  kJ/mol
   Year of Discovery 1886    Location of Discovery Germany
(E°) Standard Potential Ge4+⇔ Ge (0.120 V)
Stable isotopes  70Ge,  72Ge,  73Ge,  74Ge
Discovered/Synthesized by Clemens Winkler
Natural Source Isolated as a byproduct of zinc ore processing
Common Uses Semiconductors, transistors, rectifiers, diodes, photocells, lenses, infrared windows
Other Info Used widely in semiconductors
Was predicted before discovered
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