In ethanol (CH3CH2OH), carbon has 4 valence electrons, hydrogen has 1 valence electron, and oxygen has 6 valence electrons.
Total valence electrons = (4 carbon atoms x 4) + (6 hydrogen atoms x 1) + (1 oxygen atom x 6) = 16 + 6 + 6 = 28 valence electrons.
Step 2:
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