Germanium
Symbol
Ge
Atomic Number
32
Atomic Weight
72.61
Element Classification
Discovered By
Clemens Winkler
Discovery Date
1886 (Germany)
Name Origin
Latin: Germania (Germany).
Density(g/cc)
5.323
Melting Point
1210.6
Boiling Point(K)
3103
Appearance
Grayish-white metal
Atomic Radius(pm)
137
Atomic Volume(cc/mol)
13.6
Covalent Radius(pm)
122
Ionic Radius
53 (+4e) 73 (+2e)
Specific Heat
0.322
Fusion Heat
36.8
Evaporation Heat(kj/mol)
328
Thermal Conductivity(@25°C W/m K)
60.2
Debye Temperature
360.00
Pauling Negativity Number
2.01
First Ionizing Energy(kj/mol)
760.0
Oxidation States
4
Electronic Configuration
[Ar] 3d10 4s2 4p2
Lattice Structure
Diagonal(DIA)
Lattice Constant
5.660
Lattice C/A Ratio
n/a
