Gallium
| Basic Information | Crystal Structure | Isotope | Facts | Related Links |
| Symbol: | Ga |
| Atomic Number: | 31 |
| Atomic weight: | 69.72u |
| Melting Point: | 302.9K |
| Boiling Point: | 2478K |
| Number of Protons/Electrons: | 31 |
| Number of Neutrons: | 39 |
| Classification: | Metal |
| Crystal Structure: | Orthorhombic |
| Density at 293 K: | 5.91g/mL |
| Color: | White or Silver |
| Bonding radius: | 1.26A |
| Atomic radius: | 1.81A |
| Ionization Potential: | 5.999V |
| Electronegativity: | 1.81 |
| Heat of vaporization: | 258.7kJ/mol |
| Heat of fusion: | 5.59kJ/mol |
| Specific heat: | 0.37J/gK |
| Electron configuration: | [Ar]3d104s24p1 |
Crystal Structure
| Isotope | Half Life |
| Ga66 | 9.5hours |
| Ga67 | 3.3 days |
| Ga68 | 1.1 hours |
| Ga69 | Stable |
| Ga71 | Stable |
| Ga72 | 14.1 hours |
| Date of Discovery: | 1875 |
| Discoverer: | Paul Emile Lecoq de Boisbaudran |
| Uses: | semiconductor production |
| Obtained From: | bauxite, germanite, coal |