Learn how basic elements form molecules to support life.

Understand the basic structure of atoms and molecules in the Earth's crust.

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.

Kids learn about the element chromium and its chemistry including atomic weight, atom, uses, sources, name, and discovery on this site. Also discussed is the properties and characteristics of chromium.

Explore the element beryllium on this site. Learn about its chemistry including atomic weight, atom, uses, sources, name, and discovery as well as its properties and characteristics.

On this site, learn about chlorine's properties and characteristics. Kids can also learn about its chemistry including atomic weight, atom, uses, sources, name, and discovery.

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 nickel and its chemistry including atomic weight, atom, uses, sources, name, and discovery. Plus properties and characteristics of nickel.

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.

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.