| Attribute | Value |
|---|---|
| Symbol | Sc |
| Standard state | Solid |
| Atomic mass | 44.95591 u |
| Electron configuration | [Ar]4s²3d¹ |
| Oxidation states |
|
| Electronegativity (pauling scale) | 1.36 |
| Atomic radius (van der waals) | 211 pm |
| Ionization energy | 6.561 eV |
| Electron affinity | 0.188 eV |
| Melting point | 1814 K |
| Boiling point | 3109 K |
| Density | 2.99 g/cm³ |
| Atomic number | 21 |
| Group name | Transition metal |
| Discovered | 1879 year |