Property
Predicted Properties of eka Silicon(E)
Actual Properties of Germanium (Ge)
atomic mass
appearance
density
molar volume
specific heat capacity
oxide formula
oxide density
sulfide formula and solubility
chloride formula (boiling point)
chloride density
element preparation
72 amu
gray metal
5.5 g/cm3
13 cm3/mol
0.31 J/g.K
EO2
4.7 g/cm3
ES2; insoluble in H2O; soluble in aqueous (NH4)2S
ECl4; (< 100 oC)
1.9 g/cm3
reduction of K2EF6 with sodium
72.61 amu
gray metal
5.32 g/cm3
13.65 cm3/mol
0.32 J/g.K
GeO2
4.23 g/cm3
GeS2; insoluble in H2O; soluble in aqueous (NH4)2S
GeCl4; (84 oC)
1.844 g/cm3
reduction of K2GeF6 with sodium
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