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Thomas Jefferson National Accelerator Facility
Jefferson Lab: It's Elemental Periodic Table of Elements
This page displays the Periodic Table of Elements and allows you to click each individual element for a page that displays in-depth information about that particular element. There are also links to many different games and learning...
Other
Iun: Modern Atomic Theory
This is an excellent site with information on the discovery of the atom and the different models. Includes a sample question and answer using Planck's constant.
Khan Academy
Khan Academy: Electromagnetic Waves: The Electromagnetic Spectrum and Photons
An article that discusses the coupling of an electric field with a magnetic field to create electromagnetic waves. Article also discusses how different types of electromagnetic waves have different wavelengths which forms the...
Concord Consortium
Concord Consortium: How Can a Small Spark Start a Huge Explosion?
In this module Activity 2 investigates What holds the atoms of a molecule together?The activity will explore what holds atoms together and why they from a molecule. Bonus reading includes Same Molecules but Different Representations.