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Ge - Germanium Germanium, discovered by Winkler in 1886 is used in semiconductors.
Atomic number - 32 Density g/mL 5 .32
Atomic weight u 72 .59 Melting point K 1210 .4
Bonding radius A 1 .22 Boiling point K 3107
Atomic radius A 1 .52 Heat of vaporization kJ/mol 330 .9
Ionization Potential V 7 .899 Heat of fusion kJ/mol 36 .94
Electronegativity - 2 .01 Specific heat J/gK 0 .32
The oxide is amphoteric.
Crystal are face centered cubic.
Electron config. : [Ar] 3d10 4s24p2
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| 1.
Germanium |
The metal is found in argyrodite, a sulfide of germanium and silver; ...
Germanium can be separated from other metals by fractional distillation of its ...
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27-Dec-2005 Hits: 236 Rating: 0.00 Votes: 0
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| 5.
Discovery of Germanium |
I realized only later that germanium really was present in the sodium sulphide solution but precipitated as the sulphide only after adding much acid,
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24-Aug-2007 Hits: 57 Rating: 0.00 Votes: 0
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