Scandium

Transition metal

Symbol: Sc

Atomic Number: 21

Standard State: Solid

Atomic Mass: 44.95591

Electron Configuration: [Ar]4s2 3d1

Electronegativity: 1.36

Atomic Radius: 211

Ionization Energy: 6.561

Melting Point: 1814

Boiling Point: 3109

Density: 2.99

Year Discovered: 1879