What is the element Sc?

Sc, or scandium, is a chemical element with the atomic number 21. It is a silvery-white metal that belongs to the transition metals group on the Periodic Table. Scandium is known for its lightweight properties and is often used in aerospace components, as well as in aluminum alloys to improve strength and durability. It is relatively rare in the Earth's crust and is primarily obtained from minerals like thortveitite and bauxite.