Sc
Scandium Symbol (Sc)
Scandium is element 21 of the periodic table. Copy its symbol Sc and see its atomic weight, electron configuration and physical properties.
What does Sc mean?
Sc is the chemical symbol for scandium, element number 21 in the periodic table. Scandium is a transition metal in group 3, period 4. It is a solid at room temperature and was discovered in 1879.
Codes and properties
| Chemical symbol | Sc |
|---|---|
| Atomic number (Z) | 21 |
| Atomic weight (PubChem) | 44.95591 |
| Group / period | 3 / 4 |
| Element category | transition metal |
| Electron configuration | [Ar]4s² 3d¹ |
| State at 20 °C | Solid |
| Oxidation states | +3 |
| Electronegativity (Pauling) | 1.36 |
| Melting point | 1814 K (1540.85 °C) |
| Boiling point | 3109 K (2835.85 °C) |
| Density | 2.99 g/cm³ |
| Discovered | 1879 |
How to type Sc
- Plain text: type
Sc— element symbols are ordinary Latin letters, with the first letter capitalised and the second lowercase. - Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as H₂O — copy them from the chemistry keyboard.
- LaTeX: write
\mathrm{Sc}in math mode, or use the mhchem package:\ce{Sc}. - HTML:
Sc; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for scandium?
The chemical symbol for scandium is Sc.
What is the atomic number of scandium?
Scandium has atomic number 21, meaning each atom has 21 protons.
What is the electron configuration of scandium?
The ground-state electron configuration of scandium is [Ar]4s² 3d¹.
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Reference: Scandium on PubChem (NIH)