3N5 Scandium
3N5 Scandium
The element symbol is sc, the atomic number is 21, the atomic weight is 44.96, the peripheral electron arrangement is 3d14s2, and it is located in the fourth period IIIB group.
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Description
The element symbol is sc, the atomic number is 21, the atomic weight is 44.96, the peripheral electron arrangement is 3d14s2, and it is located in the fourth period IIIB group. The atomic radius is 160.6 picometers, the first ionization energy is 632kJ/mol, the electronegativity is 1.3, and the main oxidation number is +3. Soft silver-white metal, density 2.989g/cm³, melting point 1541℃, boiling point 2831℃. Chemically active, it is easily oxidized and darkened in the air, reacts with hot water to release hydrogen, and reacts with acid to release hydrogen. The main minerals are scandium yttrium, often associated with yttrium lanthanum. Scandium can be obtained by electrolysis of scandium chloride.
For the preparation of alloys and special glasses, its compounds are used as catalysts.
Available forms:
3N5 Scandium lumps
Certificate of Analysis:
Detecting Element(ppm, less than) | ||||||||||
Sc | Sc/RE | Si | Fe | Ca | Al | Cu | Mg | Si | Fe | Ni |
≥99.95% | ≥99.999% | 10 | 30 | 80 | 30 | 30 | 15 | 10 | 45 | 10 |
Ti | Th | Ta | Zr | Total | ||||||
15 | 20 | 5 | 10 | 10 |