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ScandiumSc Electron 1 Electron 2 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 1 Electron 2

Scandium is a chemical element with symbol Sc and atomic number 21. A silvery-white metallic d-block element, it has historically been sometimes classified as a rare earth element, together with yttrium and the lanthanoids. It was discovered in 1879 by spectral analysis of the minerals euxenite and gadolinite from Scandinavia.

21 Atomic Number
44.96 Atomic Mass (u)
1812.15 Melting Point (K)
3109 Boiling Point (K)
2.98 Density (solid: g/cm³, gas: g/liter)
2.1 Atomic Radius (Å)
1.7 Covalent Radius (Å)
1.36 Electronegativity
6.56 First Ionization Energy (eV)
18 Electron Affinity
4 Number of Shells
2, 8, 9, 2 Electron Shell Occupations
0.57 Specific Heat (J/g)