Learn about the history, properties, reactivity, and many uses of the element Fluorine.

An excellent summary of basic information on mercury, including chemical and physical properties and uses.

WebElements provides a very good source of basic information on neptunium, including physical properties, isotopes and electron configuration.

All of the elemental information that you are likely to need can be found at this extensive site, including atomic number, atomic weight, group name, standard state, properties, uses, electron configuration, typical compounds and much...

All of the elemental information that you are likely to need can be found at this extensive site, including; atomic number, atomic weight, group name, standard state, properties, uses, electron configuration, typical compounds and much...

A very thorough summary of physical and chemical properties about beryllium, along with electron configuration information and other relevant information.

An excellent site with a vast amount of information on bromine and its properties.

Description of graphite and its basic properties. Also a comparison to diamond and how they differ.

This site contains a series of about a half-dozen pages on sulfur. Topics include; occurence, biological action, and properties.

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

Learn about the considerable variety of materials on Earth, and the basic properties which set them apart. Read how all matter on Earth comes into play when it comes to environmental issues.

This page discusses the presence of arsenic (chemical symbol As) in ground water in the United States. Also provides many links to other sites about arsenic (especially in drinking water.)

A few well done paragraphs on chlorine, with descriptions of the element and its properties. One nice feature is that any technical term has a link to help you better understand it.

In this activity, students investigate a puzzle. They are given a set of cards with various properties. Each card has anywhere from 2 to 6 different properties depending on the level of the students and each set of cards has one or two...

A nice set of paragraphs summarizing basic information on manganese, its properties and applications. Well done links on all technical terms and vocabulary.

Very detailed information on the chemical element Nickel. Discusses its uses, physical properties, and the potential effects of exposure.