Lewis structures

dot and cross diagram wikimedia commons

dot and cross diagram wikimedia commons

Lewis structures, also known as dot and cross diagrams, represent the arrangement of valence electrons in elements and compounds.  This site has a detailed explanation of how to draw them.

These sites are ones we will use in class to practice.  Feel free to practice at home too 🙂

http://chemsite.lsrhs.net/bonding/flashLewis.html

http://itl.chem.ufl.edu/2045/lectures/lewis_ramyess/pjb_ramyess.html

http://education.jlab.org/elementmath/index.html

http://education.jlab.org/indexpages/teachers.php

http://www.stolaf.edu/depts/chemistry/courses/toolkits/121/js/lewis/

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