Other
Chemical elements.com/scandium
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
University of Kentucky
The Comic Book Periodic Table of Elements: Scandium
This site may focus on fun, rather than facts, but it will become a favorite of any Chemistry student. Here you will find scanned images of panels and/or pages of comic books, with references to the element you seek.