I am an electronic engineer. i have teaching experience of organic chemestry and inorganic chemestry.
benzene structure, methane, ethene, propane, butane, pantane,hexane,haptane,octane, nonane, decane, methene family, methyne ..family. their structutre design carbohydrates, glocose, fractose, suctose, and many organic compounds their formulas ans detail structure design.