Remember that for Lewis structures, the least electronegative element goes in the center. The central element now should be carbon. Also, take note that H never goes in the center. Now we count the number of valence electrons for each atom and the total. Remember that you just base the number of valence electrons on the group number:
Draw the lewis structure for the formaldehyde molecule, H 2CO.
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Based on our data, we think this problem is relevant for Professor Pellizzeri's class at CLEMSON.