Sc21 – Scandium
- Atomic Number: 21
- Atomic Symbol: Sc
- Atomic Name: Scandium
- Atomic Mass: 44.95591
- CPK Hex Color: E6E6E6
- Electron Configuration: [Ar]4s2 3d1
- Electron Negativity: 1.36
- Atomic Radius: 211
- Ionization Energy: 6.561
- Electron Affinity: 0.188
- Oxidation States: 3
- Standard State: Solid
- Melting Point: 1814
- Boiling Point: 3109
- Density: 2.99
- Group Block: Transition metal
- Year Discovered: 1879
Periodic Table of Elements. (2022, December 23). In PubChem and the National Library of Medicine. https://pubchem.ncbi.nlm.nih.gov/periodic-table/#view=table