Tabela Periódica - Everything about the elements
    PERIODIC TABLE is a very complete database that contains information about all chemical elements. Properties of elements and substances desired graphics animated crystal structures, and several hundred images on the elements are available in a single diskette.
    The more recent Multimedia Periodic Table brings more information, in words, sounds, still images (Gallery of Scientists, Gallery of Minerals with more than 600 items, etc.), and even a couple of videos on chemical reactions. The scientific information encompasses atomic properties, nuclear properties (a whole table of isotopes is there), thermodynamic properties, etc. For the sake of accuracy, most of this information has been scanned from standard reference books.

João Carlos Paiva and Victor M. S. Gil (authors), Miguel Marques (programming)