WebMD
Medicine Net: Electrolytes
"What are electrolytes?" Find the answer to this question and read information on potassium, chloride, hyperkalemia, and kidney disease.
Frostburg State University
General Chemistry Online: Ten Signs of Chemical Change
Resource provides the ten signs that tell when a chemical change has occured. Each sign has a detailed explanation.
CK-12 Foundation
Ck 12: Chemistry: Metallic Bond
[Free Registration/Login may be required to access all resource tools.] Describes the metallic bond and properties of metals. Includes review questions.
PBS
Pbs Teachers: Scientific Breakthroughs in Germany: Curing the Storm in the Head
Explore medical breakthroughs in treating epilepsy. Discover how negative and positive particles behave in an electrically neutral environment, and perform an experiment to demonstrate how the human body can conduct electricity.