Acting as an overview from the General Chemistry Virtual Textbook, this site explores topics related to the various types of acids and bases. The topics covered include binary hydrogen compounds, hydroxy compounds, oxygen compounds, and more.

As part of the General Chemistry Virtual Textbook, this site examines a variety of topics related to entropy. Other topics covered include how thermal energy is stored in molecules, quantum states, microstates and energy spreading, and more.

Covering a range of eight topics related to chemistry, this resource provides a wealth of information complete with pictures, charts, graphs, and examples. Includes information on elements, compounds, atoms, molecules, structures, formulas, and more.

With an overview of topics related to chemical energetics, this site provides a foundation to a study of thermodynamics and its relation to entropy. Information on the topic ranges from reversible and irreversible changes to standard entropies of substances.

Here you can find all kinds of helpful information about chemistry. Learn about reactions, elements, atoms, matter, or biochemistry. Downloads and activities are also included.

This Chem4Kids site provides a nice overview of the alkali metals found on the periodic table. Content explores who is in this family, and their shared traits.

This site provides a detailed overview of atoms. Content explores an atom's structure, as well as what ions are, how atoms bond, what compounds are (including how to name compounds), and what isotopes are.

Here at Chem4Kids you can find some great information about the 4th element in the periodic table, "beryllium." Content focuses on beryllium's electrons, where you can find beryllium in nature, and how beryllium combines with other elements.

Here at Chem4Kids.com you can find some great information about the 5th element in the periodic table, "boron." Content focuses on boron's electrons, where you can find boron in nature and in the home, and how boron combines with other elements.

This Chem4Kids site provides a nice description of the Halogen group. Content focuses on what makes them alike and what Halides are.

This overview of isotopes explores where isotopes come from and returning an atom to its normal state.

This Chem4Kids site provides a general overview of the lanthanide and actinide series.

This overview of liquids explores what a liquid is and how matter becomes changes into a liquid.

"Matter is everything." So begins this comprehensive website on the physical and chemical properties of matter in its four main states: solids, liquids, gases, and plasmas. The text is large and easy-to-read. Students will enjoy the downloads, activities, and quizzes at this site.

This site provides a general overview of the metals in the periodic table. Content explores the different types of metals, and how you can identify a metal.

This informative site contains basic information, offered in a straightforward way, on what constitutes a mixture. Examples and illustrations are part of this site.

Chem4Kids provides an overview of the solid state of matter that explores the characteristics of solids as well as how matter in other states becomes a solid.

This site provides a general overview of thermochemistry, the division of chemistry that deals with temperature in chemical reactions. Content explores what heat and cold really are, the heat and energy around you, and a bit about Lord Kelvin.

In this activity, students use the virtual lab to create stock solutions starting from solid salts. Students must first calculate the correct amount of solid to make the solution. Next, they prepare the solution using the appropriate glassware. Students can check to see if their procedure was correct using the concentration viewer in the solution info panel.

In this activity, students use the virtual lab to identify three unknown metals by measuring their density and comparing their measurements to the densities of known metals. In this randomized version, each student designs and performs experiments to identify the metals.