Examines the history of arsenic, and discusses its properties, how it is produced, and also describes arsenic compounds and their uses; and looks at its relationship to the other elements in the periodic table.
Presents a study of magnesium, discussing its properties, where it is found, its relationship to other elements, and how it is used. Includes a glossary and list of resources.
A study of sulfur that discusses its properties, where it is found, its relationship to other elements, and how it is used. Includes a glossary and list of resources.
A study of silicon that discusses its properties, where it is found, its relationship to other elements, and how it is used. Includes a glossary and list of resources.
An introduction to phosphorus, discussing the discovery of the element, its place on the periodic table, its properties and compounds, where it is found in the natural world, and its use in everyday life.
A study of chlorine that discusses its properties, where it is found, its relationship to other elements, and how it is used. Includes a glossary and list of resources.
A study of potassium that discusses its properties, where it is found, its relationship to other elements, and how it is used. Includes a glossary and list of resources.
A study of calcium that discusses its properties, where it is found, its relationship to other elements, and how it is used. Includes a glossary and list of resources.
Presents a study of lithium, discussing its properties, where it is found, its relationship to other elements, and how it is used. Includes a glossary and list of resources.