21Sc
Scandium
Transition metal
Properties of Scandium
- Atomic number (Z)
- 21
- Symbol
- Sc
- Name
- Scandium
- Atomic mass
- 44.956 u
- Period
- 4
- Group
- 3
- Family
- Transition metals
- Classification
- Transition metal
- Electron configuration
- [Ar] 3d¹ 4s²
About Scandium
Scandium is a chemical element with symbol Sc and atomic number 21 (atomic mass of about 44.956 u). It is classified as a transition metal on the periodic table.
On the periodic table, Scandium is located in period 4, in group 3, belonging to the transition metals family. An element's position reveals trends in its properties, such as atomic radius, electronegativity and metallic character.
The electron configuration of Scandium is [Ar] 3d¹ 4s², which determines how it forms chemical bonds and takes part in reactions.