Assignment: Oxidation Number Fun....

Assignment:  Oxidation Number Fun....
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Elements want to be happy and stable! They want a full outer energy level. Therefore, they want to gain or lose electrons.

In this assignment, by Laura Branch, students will use their knowledge of the periodic table, drawing Lewis Dot Structures and stable octets to find the oxidation number of elements.

I have found that many students have issues with figuring out whether the overall charge of an ion is positive or negative. As a result, I put this assignment together that will help students see that if a metal wants to lose an electron, it results in having more protons than electrons, resulting in a positive overall charge. If a non-metal gains electrons to complete a stable octet, students will be able to see that there are more electrons overall, hence the negative overall charge of the atom.
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1 page
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