Curated OER
Group 13: The Boron Family
A short slide show to display the characteristics of group 13 on the periodic table of elements. The atomic structure and reasons for their physical and chemical characteristics are not explained, and so this would only be an...
Other
Web ref.org: Aluminum
Here you can find a detailed overview of aluminum. Content includes a focus on aluminum's chemical properties, occurrence in nature, uses, and production.