Environmental Chemistry offers a very concise definition of a non-metal.

[Free Registration/Login may be required to access all resource tools.] Students investigate specific properties that can be predicted by an element's position on the periodic table. Additionally, they will look at the formation of ions,...

Young scholars observe and perform experiments with sodium, potassium, calcium, magnesium, sulfur ,and phosphorus. The discover trends down groups, across periods, and having to do with the pH of metal oxides vs. nonmetal oxides.

This lesson focuses on atoms and elements including what they are, the chemical symbols for elements, and the placement of elements on the periodic table. A link to a test is provided.

A chart of the periodic table of elements, including showing the nonmetal group.

[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will begin to explain the use of chemical and physical properties in the historical development of the Periodic Table. They will be...

By clicking on individuals elements, users can explore a broad range of information about the element, their reactions, their properties, their structures, and their histories.

This lesson will explore the layout of the periodic table by defining different groups and categories of elements. It is 2 of 3 in the series titled "Periodic Table Organization."

This lesson will explore the layout of the periodic table by defining different groups and categories of elements. It is 3 of 3 in the series titled "Periodic Table Organization."

This lesson will explore the layout of the periodic table by defining different groups and categories of elements. It is 1 of 3 in the series titled "Periodic Table Organization."

This is a detailed reference list of minerals and mineral classes.

A tutorial illustrating ionic bonding. Tutorial explains how and why it occurs with animations and some interactive activities throughout. Explore the bond that forms between sodium and chlorine as you count the number of atoms present.