Scandium
| Basic Information | Crystal Structure | Isotope | Facts | Related Links |
| Symbol: | Sc |
| Atomic Number: | 21 |
| Atomic weight: | 44.9559u |
| Melting Point: | 1812K |
| Boiling Point: | 3104K |
| Number of Protons/Electrons: | 21 |
| Number of Neutrons: | 24 |
| Classification: | Transition Metal |
| Crystal Structure: | Hexagonal |
| Density | 3g/mL |
| Color: | Silvery |
| Bonding radius: | 1.44A |
| Atomic radius: | 2.09A |
| Ionization Potential: | 6.54V |
| Electronegativity: | 1.36 |
| Heat of vaporization: | 314.2kJ/mol |
| Heat of fusion: | 14.1kJ/mol |
| Specific heat: | 0.6J/gK |
| Electron configuration: | [Ar]3d14s2 |
Crystal Structure
| Isotope | Half Life |
| Sc44 | 3.92 hours |
| Sc45 | Stable |
| Sc46 | 83.81 days |
| Sc46m | 18.72 seconds |
| Sc47 | 3.34 days |
| Sc48 | 43.67 hours |
| Sc49 | 57.3 minutes |
| Date of Discovery: | 1879 |
| Discoverer: | Lars Nilson |
| Uses: | No uses known |
| Obtained From: | minerals (thortveitile, wiikite) |