Indium
| Basic Information | Crystal Structure | Isotope | Facts | Related Links |
| Symbol: | In |
| Atomic Number: | 49 |
| Atomic weight: | 114.82u |
| Melting Point: | 429.76K |
| Boiling Point: | 2346K |
| Number of Protons/Electrons: | 49 |
| Number of Neutrons: | 66 |
| Classification: | Metals |
| Crystal Structure: | Tetragonal |
| Density at 293 K: | 7.31g/mL |
| Color: | Silverish |
| Bonding radius: | 1.44A |
| Atomic radius: | 2A |
| Ionization Potential: | 5.786V |
| Electronegativity: | 1.78 |
| Heat of vaporization: | 231.5kJ/mol |
| Heat of fusion: | 3.263kJ/mol |
| Specific heat: | 0.23J/gK |
| Electron configuration: | [Kr]4d105s25p1 |
Crystal Structure
| Isotope | Half Life |
| In111 | 2.8 days |
| In113 | Stable |
| In113m | 1.7 hours |
| In114 | 1.2 minutes |
| In114m | 49.5 days |
| In115 | 4.4E14 years |
| In115m | 4.5 hours |
| In116 | 14.1 seconds |
| In116m | 54.2 minutes |
| In117 | 44.0 minutes |
| In117m | 1.9 hours |
| Date of Discovery: | 1863 |
| Discoverer: | Ferdinand Reich |
| Uses: | coating of high-speed bearings |
| Obtained From: | by-product of zinc refining |