Start with Britannica.
Look here for overview information on your element. Don't forget that Britannica will often provide links to journal articles as well as recommended websites. Don't miss the image libraries!
Also try ...
Another Great database for this project!
You'll find reference information, images, journal articles, videos, etc.
Search for periodic table or a specific element. You will be sent directly to the specific article within the reference book. Source citations for each article can be found at the end of the article. You can't beat this source for detailed and inclusive information.
Sample Books from the Gale Virtual Reference Library eBooks
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Recommended by Britannica Encyclopedia Online
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