Did you know matter is made up of atoms? In this article learn about the smallest unit of matter called the atom.

Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the properties of the atoms individually in relation to the main group elements of the Periodic Table.

Learn the fundamental properties of atoms in this article. Understand the definition of atomic number, atomic mass, and isotopes. [6 min, 50 sec]

The structure of the atom is uncovered in this interactive tutorial. Discover the different particles of the atom and learn their charges and how they can affect the overall atom.

In this activity, students construct models of molecules using marshmallows and gum drops.

Produce light by bombarding atoms with electrons. See how the characteristic spectra of different elements are produced, and configure your own element's energy states to produce light of different colors.

Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses atomic electron configurations. Specifically, the Aufbau rules are discussed with information on energies of...

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

Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the limits associated with classical physics. Topics covered include light and heat with additional information...

Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site focuses specifically on the Periodic Table of Elements with information on the table's organization methods along with...

Matter is all around us, so it's a good idea to know what it is, and why it matters. Learn about matter, its categories, and its subcategories with this interactive lesson.

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

Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses shared chemical bonds between two elements resulting in electronegative and electropositive outcomes.