The modern view of an atom consists of a nucleus made from protons and neutrons with electrons surrounding it in regions of high probability called orbitals. In this activity, students build computer models of atoms by adding and removing electrons, protons, and neutrons.
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Requirements
The Java Runtime Environment version 5 (sometimes referred to as 1.5) or later with Java Webstart is required to run any of the activities. You can download it at: java.com.
This activity is a part of the Concord Consortium's 