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Dr. B. draws the Lewis Dot Structure for OF2 (oxygen difluoride)and provides a step-by-step explanation.
For the OF2 Lewis Structure you'll need to decide which element goes in the center of the structure (it's Fluorine).
Remember that the least electronegative atoms go on the outside of the dot structure. Electronegativity increases as you go across periods. It also increases as you go down groups. It helps to remember that fluorine (F) is the most electronegative element. As you move away from Fluorine in any direction electronegativiy decreases.
Note that the noble gases, the last group on the right of the table, have an electronegativity of zero and are unreactive.
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