Which of the following substances is not a molecule? ozone false ethanol false ascorbic acid false radon true Single How many valence electrons does oxygen have? How many valence electrons does oxygen have? true 8 false 12 false 16 false Single What do the lines in the Lewis structure of a molecule represent? direction false dipole moment false bonded electrons true attractive force false Single What is the valency of carbon? 0 false 1 false 2 false 4 true Single A convenient way organic chemists represent organic compounds is with the use of? skeletal structures true Lewis dot structures false ball-and-stick models false space-filling models false Single What does the letter 'P' in the acronym VSEPR theory represent? production false pair true phenomenon false positive false Single If a substance has a zero net dipole moment, it is likely to have what type of bond? polar bond false nonpolar bond true unipolar bond false multipolar bond false Single The London dispersion force was named after? Fritz London true The City of London false A bridge in the river Thames false A children's song false Single What type of attractive force occurs between polar molecules? bipolar false tetrapolar false inverse polar false dipole-dipole true Single Ketones, esters, and amides are examples of? organic compounds false organic molecules false proteins false functional groups true Single