Scandium

Atomic symbol: Sc
Atomic number: 21
Atomic mass: 44.96

Appearance: Soft, silvery white solid at 25°C

Group: 3
Period: 4
Series: Transition metals
Block: d
Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹ 4s²

Commonly used in alloys with aluminum.

Uses include in lighting, solid oxide fuel cells, and sporting equipment.

Fun Fact! Scandium is more abundant on the moon than on Earth.