Excellent source of information on phosphorus including its physical and chemical properties. Highly recommended.

A collection of grid puzzles that cover topics in basic chemistry, including acids, salts, alkalis, chemistry lab equipment, the periodic table, states of matter, and more. These are excellent for topic review and reinforcement. The...

This article discusses the reaction of manganese with things such as: water, air, acids, bases, etc.

This site provides information on the physical and chemical properties of Cadmium.

Webelements offers a nicely designed page with a great deal of relevant information on argon. Very helpful.

Students 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.

All of the elemental information about scandium that you are likely to need can be found at this extensive site. This information includes atomic number, atomic weight, group name, standard state, properties, uses, electron...

All of the elemental information about sulfur that you are likely to need can be found at this extensive site. This information includes atomic number, atomic weight, group name, standard state, properties, uses, electron configuration,...

Information about the element, Krypton, atomic number 36. Covers physical and atomic properties, how abundant it is on the Earth, how it was discovered, uses, and health effects from exposure.

Use your knowledge of groups and periods on the Periodic Table. When you are presented with three elements, pick the one that doesn't belong.

The five elements of the Carbon family are briefly discussed here, with links to further information about each.

Thorough summary of information on neodymium, its properties and uses. Good resource for this individual element.

Describes the organization of the periodic table of elements and the different groups in it.

Get a look at the periodic table with this site! Periodic table gives lots of information about the elements that are found on it.

Provides two printable periodic tables, color-coded to show the element groups. One table gives masses, the other gives charges.

This website focuses on the common elements. It provides an alphabetical listing of each common element with its symbol, attributes, and location on the periodic table.