Your Safer Source for Science

Since 1977

Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
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Email flinn@flinnsci.com
firewatch

How can you use a rope trick to show how atomic mass is calculated? Watch and be amazed.

Concepts

  • Isotopes
  • Atomic Mass
  • Electrons
  • Atomic & Electron Structure