• Scandium - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Scandium 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 ...
  • Scandium - Element information, properties and uses ...

    www.rsc.org/periodic-table/element/21/scandium Element Scandium (Sc), Group 3, Atomic Number 21, d-block, Mass 44.956. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
  • Scandium Information Center

    www.scandium.org/index.html Information about Properties of Scandium, History of Scandium Discovery, Isotopes of Scandium, Minerals Containing Scandium, Applications of Scandium Oxide ...