What's New
This app has been updated by Apple to display the Apple Watch app icon.
**Added option to purchase all premium app content via in-app purchase
App Description
With the Building Atoms, Ions, and Isotopes app, explore the composition of the elements. Build atoms, ions, and isotopes by selecting appropriate numbers of protons, neutrons, and electrons. For reference, this app also includes atomic theory information and a periodic table that is interactive in the iPad version.
App Changes
- June 13, 2014 Initial release
- August 10, 2016 New version 3.1