Germanium
| Basic Information | Crystal Structure | Isotope | Facts | Related Links |
| Symbol: | Ge |
| Atomic Number: | 32 |
| Atomic weight: | 72.59u |
| Melting Point: | 1210.4K |
| Boiling Point: | 3107K |
| Number of Protons/Electrons: | 330.9 |
| Number of Neutrons: | 32 |
| Classification: | 41 |
| Crystal Structure: | Face Centered Cubic |
| Density at 293 K: | 5.32g/mL |
| Color: | Grayish |
| Bonding radius: | 1.22A |
| Atomic radius: | 1.52A |
| Ionization Potential: | 7.899V |
| Electronegativity: | 2.01 |
| Heat of vaporization: | 330.9kJ/mol |
| Heat of fusion: | 36.94kJ/mol |
| Specific heat: | 0.32J/gK |
| Electron configuration: | [Ar]3d104s24p2 |
Crystal Structure
| Isotope | Half Life |
| Ge68 | 270.8 days |
| Ge69 | 1.6 days |
| Ge70 | Stable |
| Ge71 | 11.4 days |
| Ge72 | Stable |
| Ge73 | Stable |
| Ge74 | Stable |
| Ge76 | Stable |
| Ge77 | 11.3 hours |
| Date of Discovery: | 1886 |
| Discoverer: | Clemens Winkler |
| Uses: | semiconductors |
| Obtained From: | refining of copper, zinc, lead |