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www.google.com/imgres shape orbital fillings electrons
www.quia.com/2818.html shape electrons s p d f
www.echalk.co.uk/...configurationPairs.html shape electrons orbital levels
preparatorychemistry.com/tron_configurations_frames.htm electrons element orbital
Sara Stein
5 items | 5 visits
Updated on Mar 09, 12 Created on Feb 21, 12
Category: Science
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