Lewis structures: expanded octet, PCl5

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Atoms in periods 1+2 can't have an expanded octet. (This is why chemists laugh at students when they draw carbon with more than 4 bonds). :) Atoms in periods 3 and above (or below if you're looking at the periodic table) can and do! They have empty d-orbitals available to hold the extra electrons. Here's how I draw the lewis dot structure for phosphorus pentachloride.

Category: Comedy
Uploaded: March 21st, 2008 @ 2:18 pm
Author: TTUchem1010

Length: 04:48
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Tags: expanded octet pcl5

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