This resource provides an introductory activity on electrons in atoms and molecules. Core concepts include the formation of atoms, chemical bonding, chemical polarity and atoms in electric fields. The interactive module...

This resource provides an interactive activity on field effect transistors. These are "a type of transistor that utilizes an electric field to control the shape of a channel in which charge carriers in a semiconductor...

This National Institute of Standards and Technology (NIST)) site contains atomic spectroscopic reference data. Information can be accessed through a variety of means, such as an interactive periodic table and dropdown...

An atomic, molecular and optical physics research laboratory at Kansas State University, funded by the United States Department of Energy. Information about the emerging frontiers in atomic and molecular physics and...

This resource provides an interactive activity demonstrating how electrons moving against a potential energy barrier can penetrate through the barrier, even if their kinetic energy is not high enough to surmount the...