This instructional activity introduces students to scientific models. The students will learn how models of the atom have changed as new evidence is gathered. The students will also learn about the current model of the atom. Each student...

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 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.

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.

Study chemical bonding in chemistry including atoms, valence electrons, ionic and covalent bonding, and how molecules are formed on this site!

Explains the basic tenets of Dalton's atomic theory.