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