As part of the General Chemistry Virtual Textbook, this site examines a variety of topics related to the Earth, and specifically the Earth's crust. Other topics covered include chemistry of the crust, composition of rock, distribution of...

This WebElements site provides a great deal of elemental information. There are audio files demonstrating the correct pronunciation of the element name, pictures showing the electron shells, and information on isotopes, properties and more.

A nice, clear site, containing a good deal of elemental information, including atomic weight, density, boiling point, isotopes and more. An image shows the electron energy levels for the element.

Understand the basic structure of atoms and molecules in the Earth's crust.

The purpose of this lesson is to introduce young scholars to the basic elements of our Earth's crust: rocks, soils and minerals. They learn how we categorize rocks, soils and minerals and how they are literally the foundation for our...

The Earth has been in a state of continual change since its formation. The major part of this change, involving volcanism and tectonics, has been driven by heat produced from the decay of radioactive elements within the Earth. The other...

An extremely thorough summary of the properties and uses of magnesium. Very easy to follow.

A nice summary of the properties of magnesium. Very easy to use.

Here you can find a detailed overview of aluminum. Content includes a focus on aluminum's chemical properties, occurrence in nature, uses, and production.