Germanium (Ge)
Atomic number
32
Mass number
72
Electronegativity
2.01
Covalent radius
1.22
Atomic radius
1.52
Melting point
1210.4
Boiling point
3107.0
Density
5.323
Specific heat
0.32
Electrical conductivity
0.0145
Thermal conductivity
0.599