Monday, September 30, 2013

Atomic Structure -- Ions, Isotopes, and Weighted Average Atomic Mass

Use the following two Java applets to explore the idea of how the number of protons, neutrons, and electrons in an atom controls whether it is an ion, a stable isotope, or an unstable radioactive isotope.


Build an Atom



Click to Run



Isotopes and Atomic Mass



Click to Run

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