Learn how basic elements form molecules to support life.

Students interpret the information given in the periodic table to describe the arrangement of electrons on the energy levels around an atom.

Study the element boron and its chemistry including atomic weight, atom, uses, sources, name, and discovery on this site. Plus properties and characteristics of this element.

Study the properties and characteristics of potassium on this site. Learn about the element potassium and its chemistry including atomic weight, atom, uses, sources, name, and discovery.

Kids learn about the element nitrogen and its chemistry including atomic weight, atom, uses, sources, name, and discovery. Plus properties and characteristics of nitrogen.

Kids learn about the element nickel and its chemistry including atomic weight, atom, uses, sources, name, and discovery. Plus properties and characteristics of nickel.

Kids learn about the element magnesium and its chemistry including atomic weight, atom, uses, sources, name, and discovery. Plus properties and characteristics of magnesium.

This site includes information about phosphorus's atomic weight, atom, uses, sources, name, and discovery. Plus properties and characteristics of phosphorus are discussed.

Kids learn about the elements that are considered metalloids on the periodic table. This site describes the properties, similarities, and other facts.

Kids learn about the nonmetals of the periodic table. Which elements are in this group. Properties, similarities, and other facts are found on this site.

A chemistry tutorial highlighting historical development of the atomic theory of matter and the periodic table of elements.

Kids learn about organic chemistry including the importance of carbon, organic molecules, compounds, hydrocarbons, synthesis, and functional groups.

A site discussing chemical reactions in chemistry including reaction rate, types of reactions, reagents, reactants, catalysts, and inhibitors.

Explains the basic tenets of Dalton's atomic theory.