The Atom Builder 

Chemistry teaching software which simulates the building of any of the first 20 atoms (up to calcium) on screen. Learn how atoms are formed from electrons, protons and neutrons and how the electrons are arranged in shells or energy levels.
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3D Chemical Elements ScreenSaver 

Have you ever imagined the smallest bricks of the Universe - all that atoms with their protons, neutrons, electrons and quarks? With this 3D Screensaver you have the unique opportunity to see how they look like in reality with amazing visual effects.
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